68287821

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4111}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 106879104

約数和(自身を除く): 38591283

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 2373, 4111, 5537, 12333, 16611, 28777, 86331, 201439, 464543, 604317, 1393629, 3251801, 9755403, 22762607, 68287821]

約数ペア:

[(1, 68287821), (3, 22762607), (7, 9755403), (21, 3251801), (49, 1393629), (113, 604317), (147, 464543), (339, 201439), (791, 86331), (2373, 28777), (4111, 16611), (5537, 12333)]