221366171

素因数分解:

${\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{149}}^2$

素因数の和:383

約数の個数: 18

約数和(自身を含む): 245413980

約数和(自身を除く): 24047809

約数列:

[1, 13, 59, 149, 169, 767, 1937, 8791, 9971, 22201, 25181, 114283, 288613, 1309859, 1485679, 3751969, 17028167, 221366171]

約数ペア:

[(1, 221366171), (13, 17028167), (59, 3751969), (149, 1485679), (169, 1309859), (767, 288613), (1937, 114283), (8791, 25181), (9971, 22201)]