16856931

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8821}}^1$

素因数の和:8851

約数の個数: 24

約数和(自身を含む): 28159824

約数和(自身を除く): 11302893

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 8821, 26463, 61747, 114673, 185241, 344019, 432229, 802711, 1296687, 2408133, 5618977, 16856931]

約数ペア:

[(1, 16856931), (3, 5618977), (7, 2408133), (13, 1296687), (21, 802711), (39, 432229), (49, 344019), (91, 185241), (147, 114673), (273, 61747), (637, 26463), (1911, 8821)]