27780207

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14537}}^1$

素因数の和:14567

約数の個数: 24

約数和(自身を含む): 46405296

約数和(自身を除く): 18625089

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14537, 43611, 101759, 188981, 305277, 566943, 712313, 1322867, 2136939, 3968601, 9260069, 27780207]

約数ペア:

[(1, 27780207), (3, 9260069), (7, 3968601), (13, 2136939), (21, 1322867), (39, 712313), (49, 566943), (91, 305277), (147, 188981), (273, 101759), (637, 43611), (1911, 14537)]