1251081

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 36

約数和(自身を含む): 2123212

約数和(自身を除く): 872131

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 289, 333, 481, 629, 663, 867, 1443, 1887, 1989, 2601, 3757, 4329, 5661, 8177, 10693, 11271, 24531, 32079, 33813, 73593, 96237, 139009, 417027, 1251081]

約数ペア:

[(1, 1251081), (3, 417027), (9, 139009), (13, 96237), (17, 73593), (37, 33813), (39, 32079), (51, 24531), (111, 11271), (117, 10693), (153, 8177), (221, 5661), (289, 4329), (333, 3757), (481, 2601), (629, 1989), (663, 1887), (867, 1443)]