51861873

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 80819200

約数和(自身を除く): 28957327

約数列:

[1, 3, 7, 21, 109, 139, 163, 327, 417, 489, 763, 973, 1141, 2289, 2919, 3423, 15151, 17767, 22657, 45453, 53301, 67971, 106057, 124369, 158599, 318171, 373107, 475797, 2469613, 7408839, 17287291, 51861873]

約数ペア:

[(1, 51861873), (3, 17287291), (7, 7408839), (21, 2469613), (109, 475797), (139, 373107), (163, 318171), (327, 158599), (417, 124369), (489, 106057), (763, 67971), (973, 53301), (1141, 45453), (2289, 22657), (2919, 17767), (3423, 15151)]