56677761

素因数分解:

$3^2\times 7^2\times {\mathrm{128521}}^1$

素因数の和:128541

約数の個数: 18

約数和(自身を含む): 95234802

約数和(自身を除く): 38557041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 128521, 385563, 899647, 1156689, 2698941, 6297529, 8096823, 18892587, 56677761]

約数ペア:

[(1, 56677761), (3, 18892587), (7, 8096823), (9, 6297529), (21, 2698941), (49, 1156689), (63, 899647), (147, 385563), (441, 128521)]