67721693

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 77693616

約数和(自身を除く): 9971923

約数列:

[1, 13, 17, 181, 221, 1693, 2353, 3077, 22009, 28781, 40001, 306433, 374153, 3983629, 5209361, 67721693]

約数ペア:

[(1, 67721693), (13, 5209361), (17, 3983629), (181, 374153), (221, 306433), (1693, 40001), (2353, 28781), (3077, 22009)]