9927775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2811

約数の個数: 24

約数和(自身を含む): 14467824

約数和(自身を除く): 4540049

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 2777, 3575, 13885, 30547, 36101, 69425, 152735, 180505, 397111, 763675, 902525, 1985555, 9927775]

約数ペア:

[(1, 9927775), (5, 1985555), (11, 902525), (13, 763675), (25, 397111), (55, 180505), (65, 152735), (143, 69425), (275, 36101), (325, 30547), (715, 13885), (2777, 3575)]