12920025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 22054144

約数和(自身を除く): 9134119

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 5557, 16671, 27785, 83355, 138925, 172267, 416775, 516801, 861335, 2584005, 4306675, 12920025]

約数ペア:

[(1, 12920025), (3, 4306675), (5, 2584005), (15, 861335), (25, 516801), (31, 416775), (75, 172267), (93, 138925), (155, 83355), (465, 27785), (775, 16671), (2325, 5557)]