16818399

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4637}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 27011712

約数和(自身を除く): 10193313

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 4637, 13911, 41733, 60281, 143747, 180843, 431241, 542529, 1293723, 1868711, 5606133, 16818399]

約数ペア:

[(1, 16818399), (3, 5606133), (9, 1868711), (13, 1293723), (31, 542529), (39, 431241), (93, 180843), (117, 143747), (279, 60281), (403, 41733), (1209, 13911), (3627, 4637)]