131755729

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 167512320

約数和(自身を除く): 35756591

約数列:

[1, 7, 17, 29, 73, 119, 203, 493, 511, 523, 1241, 2117, 3451, 3661, 8687, 8891, 14819, 15167, 35989, 38179, 62237, 106169, 251923, 257839, 267253, 649043, 1107191, 1804873, 4543301, 7750337, 18822247, 131755729]

約数ペア:

[(1, 131755729), (7, 18822247), (17, 7750337), (29, 4543301), (73, 1804873), (119, 1107191), (203, 649043), (493, 267253), (511, 257839), (523, 251923), (1241, 106169), (2117, 62237), (3451, 38179), (3661, 35989), (8687, 15167), (8891, 14819)]