208768257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1847}}^1$

素因数の和:2533

約数の個数: 24

約数和(自身を含む): 318077760

約数和(自身を除く): 109309503

約数列:

[1, 3, 9, 19, 57, 171, 661, 1847, 1983, 5541, 5949, 12559, 16623, 35093, 37677, 105279, 113031, 315837, 1220867, 3662601, 10987803, 23196473, 69589419, 208768257]

約数ペア:

[(1, 208768257), (3, 69589419), (9, 23196473), (19, 10987803), (57, 3662601), (171, 1220867), (661, 315837), (1847, 113031), (1983, 105279), (5541, 37677), (5949, 35093), (12559, 16623)]