81603774

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 225283968

約数和(自身を除く): 143680194

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 83, 102, 119, 126, 153, 162, 166, 189, 238, 243, 249, 289, 306, 357, 378, 459, 486, 498, 567, 578, 581, 714, 747, 867, 918, 1071, 1134, 1162, 1377, 1411, 1494, 1701, 1734, 1743, 2023, 2142, 2241, 2601, 2754, 2822, 3213, 3402, 3486, 4046, 4131, 4233, 4482, 5202, 5229, 6069, 6426, 6723, 7803, 8262, 8466, 9639, 9877, 10458, 12138, 12699, 13446, 15606, 15687, 18207, 19278, 19754, 20169, 23409, 23987, 25398, 28917, 29631, 31374, 36414, 38097, 40338, 46818, 47061, 47974, 54621, 57834, 59262, 70227, 71961, 76194, 88893, 94122, 109242, 114291, 140454, 141183, 143922, 163863, 167909, 177786, 215883, 228582, 266679, 282366, 327726, 335818, 342873, 431766, 491589, 503727, 533358, 647649, 685746, 800037, 983178, 1007454, 1295298, 1511181, 1600074, 1942947, 2400111, 3022362, 3885894, 4533543, 4800222, 5828841, 9067086, 11657682, 13600629, 27201258, 40801887, 81603774]

約数ペア:

[(1, 81603774), (2, 40801887), (3, 27201258), (6, 13600629), (7, 11657682), (9, 9067086), (14, 5828841), (17, 4800222), (18, 4533543), (21, 3885894), (27, 3022362), (34, 2400111), (42, 1942947), (51, 1600074), (54, 1511181), (63, 1295298), (81, 1007454), (83, 983178), (102, 800037), (119, 685746), (126, 647649), (153, 533358), (162, 503727), (166, 491589), (189, 431766), (238, 342873), (243, 335818), (249, 327726), (289, 282366), (306, 266679), (357, 228582), (378, 215883), (459, 177786), (486, 167909), (498, 163863), (567, 143922), (578, 141183), (581, 140454), (714, 114291), (747, 109242), (867, 94122), (918, 88893), (1071, 76194), (1134, 71961), (1162, 70227), (1377, 59262), (1411, 57834), (1494, 54621), (1701, 47974), (1734, 47061), (1743, 46818), (2023, 40338), (2142, 38097), (2241, 36414), (2601, 31374), (2754, 29631), (2822, 28917), (3213, 25398), (3402, 23987), (3486, 23409), (4046, 20169), (4131, 19754), (4233, 19278), (4482, 18207), (5202, 15687), (5229, 15606), (6069, 13446), (6426, 12699), (6723, 12138), (7803, 10458), (8262, 9877), (8466, 9639)]