73909521

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 126297600

約数和(自身を除く): 52388079

約数列:

[1, 3, 7, 9, 21, 47, 63, 109, 141, 229, 327, 329, 423, 687, 763, 981, 987, 1603, 2061, 2289, 2961, 4809, 5123, 6867, 10763, 14427, 15369, 24961, 32289, 35861, 46107, 74883, 75341, 96867, 107583, 174727, 224649, 226023, 322749, 524181, 678069, 1173167, 1572543, 3519501, 8212169, 10558503, 24636507, 73909521]

約数ペア:

[(1, 73909521), (3, 24636507), (7, 10558503), (9, 8212169), (21, 3519501), (47, 1572543), (63, 1173167), (109, 678069), (141, 524181), (229, 322749), (327, 226023), (329, 224649), (423, 174727), (687, 107583), (763, 96867), (981, 75341), (987, 74883), (1603, 46107), (2061, 35861), (2289, 32289), (2961, 24961), (4809, 15369), (5123, 14427), (6867, 10763)]