211057621

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{521}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 223311600

約数和(自身を除く): 12253979

約数列:

[1, 29, 61, 229, 521, 1769, 6641, 13969, 15109, 31781, 119309, 405101, 921649, 3459961, 7277849, 211057621]

約数ペア:

[(1, 211057621), (29, 7277849), (61, 3459961), (229, 921649), (521, 405101), (1769, 119309), (6641, 31781), (13969, 15109)]