81227025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 163185984

約数和(自身を除く): 81958959

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 45, 55, 75, 99, 111, 165, 185, 225, 275, 333, 407, 495, 555, 825, 887, 925, 1221, 1665, 2035, 2475, 2661, 2775, 3663, 4435, 6105, 7983, 8325, 9757, 10175, 13305, 18315, 22175, 29271, 30525, 32819, 39915, 48785, 66525, 87813, 91575, 98457, 146355, 164095, 199575, 243925, 295371, 361009, 439065, 492285, 731775, 820475, 1083027, 1476855, 1805045, 2195325, 2461425, 3249081, 5415135, 7384275, 9025225, 16245405, 27075675, 81227025]

約数ペア:

[(1, 81227025), (3, 27075675), (5, 16245405), (9, 9025225), (11, 7384275), (15, 5415135), (25, 3249081), (33, 2461425), (37, 2195325), (45, 1805045), (55, 1476855), (75, 1083027), (99, 820475), (111, 731775), (165, 492285), (185, 439065), (225, 361009), (275, 295371), (333, 243925), (407, 199575), (495, 164095), (555, 146355), (825, 98457), (887, 91575), (925, 87813), (1221, 66525), (1665, 48785), (2035, 39915), (2475, 32819), (2661, 30525), (2775, 29271), (3663, 22175), (4435, 18315), (6105, 13305), (7983, 10175), (8325, 9757)]