64280619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2089}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 100420320

約数和(自身を除く): 36139701

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 2089, 2367, 3419, 6267, 10257, 18801, 27157, 30771, 81471, 244413, 549407, 1648221, 4944663, 7142291, 21426873, 64280619]

約数ペア:

[(1, 64280619), (3, 21426873), (9, 7142291), (13, 4944663), (39, 1648221), (117, 549407), (263, 244413), (789, 81471), (2089, 30771), (2367, 27157), (3419, 18801), (6267, 10257)]