131399010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{162221}}^1$

素因数の和:162240

約数の個数: 40

約数和(自身を含む): 353319516

約数和(自身を除く): 221920506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 162221, 324442, 486663, 811105, 973326, 1459989, 1622210, 2433315, 2919978, 4379967, 4866630, 7299945, 8759934, 13139901, 14599890, 21899835, 26279802, 43799670, 65699505, 131399010]

約数ペア:

[(1, 131399010), (2, 65699505), (3, 43799670), (5, 26279802), (6, 21899835), (9, 14599890), (10, 13139901), (15, 8759934), (18, 7299945), (27, 4866630), (30, 4379967), (45, 2919978), (54, 2433315), (81, 1622210), (90, 1459989), (135, 973326), (162, 811105), (270, 486663), (405, 324442), (810, 162221)]