2807259

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 4756536

約数和(自身を除く): 1949277

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 113, 147, 169, 273, 339, 507, 637, 791, 1183, 1469, 1911, 2373, 3549, 4407, 5537, 8281, 10283, 16611, 19097, 24843, 30849, 57291, 71981, 133679, 215943, 401037, 935753, 2807259]

約数ペア:

[(1, 2807259), (3, 935753), (7, 401037), (13, 215943), (21, 133679), (39, 71981), (49, 57291), (91, 30849), (113, 24843), (147, 19097), (169, 16611), (273, 10283), (339, 8281), (507, 5537), (637, 4407), (791, 3549), (1183, 2373), (1469, 1911)]