28027857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 16485423

約数列:

[1, 3, 11, 13, 33, 39, 79, 143, 237, 429, 827, 869, 1027, 2481, 2607, 3081, 9097, 10751, 11297, 27291, 32253, 33891, 65333, 118261, 195999, 354783, 718663, 849329, 2155989, 2547987, 9342619, 28027857]

約数ペア:

[(1, 28027857), (3, 9342619), (11, 2547987), (13, 2155989), (33, 849329), (39, 718663), (79, 354783), (143, 195999), (237, 118261), (429, 65333), (827, 33891), (869, 32253), (1027, 27291), (2481, 11297), (2607, 10751), (3081, 9097)]