208080621

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{14423}}^1$

素因数の和:14665

約数の個数: 24

約数和(自身を含む): 345022080

約数和(自身を除く): 136941459

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 14423, 14427, 43269, 100961, 129807, 302883, 908649, 3302867, 9908601, 23120069, 29725803, 69360207, 208080621]

約数ペア:

[(1, 208080621), (3, 69360207), (7, 29725803), (9, 23120069), (21, 9908601), (63, 3302867), (229, 908649), (687, 302883), (1603, 129807), (2061, 100961), (4809, 43269), (14423, 14427)]