81509652

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:539

約数の個数: 120

約数和(自身を含む): 247025856

約数和(自身を除く): 165516204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 83, 84, 108, 126, 162, 166, 189, 249, 252, 324, 332, 378, 433, 498, 567, 581, 747, 756, 866, 996, 1134, 1162, 1299, 1494, 1732, 1743, 2241, 2268, 2324, 2598, 2988, 3031, 3486, 3897, 4482, 5196, 5229, 6062, 6723, 6972, 7794, 8964, 9093, 10458, 11691, 12124, 13446, 15588, 15687, 18186, 20916, 23382, 26892, 27279, 31374, 35073, 35939, 36372, 46764, 47061, 54558, 62748, 70146, 71878, 81837, 94122, 107817, 109116, 140292, 143756, 163674, 188244, 215634, 245511, 251573, 323451, 327348, 431268, 491022, 503146, 646902, 754719, 970353, 982044, 1006292, 1293804, 1509438, 1940706, 2264157, 2911059, 3018876, 3881412, 4528314, 5822118, 6792471, 9056628, 11644236, 13584942, 20377413, 27169884, 40754826, 81509652]

約数ペア:

[(1, 81509652), (2, 40754826), (3, 27169884), (4, 20377413), (6, 13584942), (7, 11644236), (9, 9056628), (12, 6792471), (14, 5822118), (18, 4528314), (21, 3881412), (27, 3018876), (28, 2911059), (36, 2264157), (42, 1940706), (54, 1509438), (63, 1293804), (81, 1006292), (83, 982044), (84, 970353), (108, 754719), (126, 646902), (162, 503146), (166, 491022), (189, 431268), (249, 327348), (252, 323451), (324, 251573), (332, 245511), (378, 215634), (433, 188244), (498, 163674), (567, 143756), (581, 140292), (747, 109116), (756, 107817), (866, 94122), (996, 81837), (1134, 71878), (1162, 70146), (1299, 62748), (1494, 54558), (1732, 47061), (1743, 46764), (2241, 36372), (2268, 35939), (2324, 35073), (2598, 31374), (2988, 27279), (3031, 26892), (3486, 23382), (3897, 20916), (4482, 18186), (5196, 15687), (5229, 15588), (6062, 13446), (6723, 12124), (6972, 11691), (7794, 10458), (8964, 9093)]