80688153

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{42223}}^1$

素因数の和:42253

約数の個数: 24

約数和(自身を含む): 134779008

約数和(自身を除く): 54090855

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 42223, 126669, 295561, 548899, 886683, 1646697, 2068927, 3842293, 6206781, 11526879, 26896051, 80688153]

約数ペア:

[(1, 80688153), (3, 26896051), (7, 11526879), (13, 6206781), (21, 3842293), (39, 2068927), (49, 1646697), (91, 886683), (147, 548899), (273, 295561), (637, 126669), (1911, 42223)]