251004873

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{2069}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 393465600

約数和(自身を除く): 142460727

約数列:

[1, 3, 7, 21, 53, 109, 159, 327, 371, 763, 1113, 2069, 2289, 5777, 6207, 14483, 17331, 40439, 43449, 109657, 121317, 225521, 328971, 676563, 767599, 1578647, 2302797, 4735941, 11952613, 35857839, 83668291, 251004873]

約数ペア:

[(1, 251004873), (3, 83668291), (7, 35857839), (21, 11952613), (53, 4735941), (109, 2302797), (159, 1578647), (327, 767599), (371, 676563), (763, 328971), (1113, 225521), (2069, 121317), (2289, 109657), (5777, 43449), (6207, 40439), (14483, 17331)]