265872009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 391184640

約数和(自身を除く): 125312631

約数列:

[1, 3, 13, 39, 53, 159, 293, 439, 689, 879, 1317, 2067, 3809, 5707, 11427, 15529, 17121, 23267, 46587, 69801, 128627, 201877, 302471, 385881, 605631, 907413, 1672151, 5016453, 6817231, 20451693, 88624003, 265872009]

約数ペア:

[(1, 265872009), (3, 88624003), (13, 20451693), (39, 6817231), (53, 5016453), (159, 1672151), (293, 907413), (439, 605631), (689, 385881), (879, 302471), (1317, 201877), (2067, 128627), (3809, 69801), (5707, 46587), (11427, 23267), (15529, 17121)]