81811548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 216

約数和(自身を含む): 273375648

約数和(自身を除く): 191564100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 51, 52, 63, 68, 78, 84, 91, 102, 113, 117, 119, 126, 153, 156, 169, 182, 204, 221, 226, 234, 238, 252, 273, 306, 338, 339, 357, 364, 442, 452, 468, 476, 507, 546, 612, 663, 676, 678, 714, 791, 819, 884, 1014, 1017, 1071, 1092, 1183, 1326, 1356, 1428, 1469, 1521, 1547, 1582, 1638, 1921, 1989, 2028, 2034, 2142, 2366, 2373, 2652, 2873, 2938, 3042, 3094, 3164, 3276, 3549, 3842, 3978, 4068, 4284, 4407, 4641, 4732, 4746, 5746, 5763, 5876, 6084, 6188, 7098, 7119, 7684, 7956, 8619, 8814, 9282, 9492, 10283, 10647, 11492, 11526, 13221, 13447, 13923, 14196, 14238, 17238, 17289, 17628, 18564, 19097, 20111, 20566, 21294, 23052, 24973, 25857, 26442, 26894, 27846, 28476, 30849, 34476, 34578, 38194, 40222, 40341, 41132, 42588, 49946, 51714, 52884, 53788, 55692, 57291, 60333, 61698, 69156, 74919, 76388, 80444, 80682, 92547, 99892, 103428, 114582, 120666, 121023, 123396, 133679, 149838, 161364, 171873, 174811, 180999, 185094, 224757, 229164, 241332, 242046, 267358, 299676, 324649, 343746, 349622, 361998, 370188, 401037, 449514, 484092, 524433, 534716, 649298, 687492, 699244, 723996, 802074, 899028, 973947, 1048866, 1203111, 1298596, 1573299, 1604148, 1947894, 2097732, 2272543, 2406222, 2921841, 3146598, 3895788, 4545086, 4812444, 5843682, 6293196, 6817629, 9090172, 11687364, 13635258, 20452887, 27270516, 40905774, 81811548]

約数ペア:

[(1, 81811548), (2, 40905774), (3, 27270516), (4, 20452887), (6, 13635258), (7, 11687364), (9, 9090172), (12, 6817629), (13, 6293196), (14, 5843682), (17, 4812444), (18, 4545086), (21, 3895788), (26, 3146598), (28, 2921841), (34, 2406222), (36, 2272543), (39, 2097732), (42, 1947894), (51, 1604148), (52, 1573299), (63, 1298596), (68, 1203111), (78, 1048866), (84, 973947), (91, 899028), (102, 802074), (113, 723996), (117, 699244), (119, 687492), (126, 649298), (153, 534716), (156, 524433), (169, 484092), (182, 449514), (204, 401037), (221, 370188), (226, 361998), (234, 349622), (238, 343746), (252, 324649), (273, 299676), (306, 267358), (338, 242046), (339, 241332), (357, 229164), (364, 224757), (442, 185094), (452, 180999), (468, 174811), (476, 171873), (507, 161364), (546, 149838), (612, 133679), (663, 123396), (676, 121023), (678, 120666), (714, 114582), (791, 103428), (819, 99892), (884, 92547), (1014, 80682), (1017, 80444), (1071, 76388), (1092, 74919), (1183, 69156), (1326, 61698), (1356, 60333), (1428, 57291), (1469, 55692), (1521, 53788), (1547, 52884), (1582, 51714), (1638, 49946), (1921, 42588), (1989, 41132), (2028, 40341), (2034, 40222), (2142, 38194), (2366, 34578), (2373, 34476), (2652, 30849), (2873, 28476), (2938, 27846), (3042, 26894), (3094, 26442), (3164, 25857), (3276, 24973), (3549, 23052), (3842, 21294), (3978, 20566), (4068, 20111), (4284, 19097), (4407, 18564), (4641, 17628), (4732, 17289), (4746, 17238), (5746, 14238), (5763, 14196), (5876, 13923), (6084, 13447), (6188, 13221), (7098, 11526), (7119, 11492), (7684, 10647), (7956, 10283), (8619, 9492), (8814, 9282)]