13431605

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^2$

素因数の和:325

約数の個数: 18

約数和(自身を含む): 17836098

約数和(自身を除く): 4404493

約数列:

[1, 5, 11, 55, 121, 149, 605, 745, 1639, 8195, 18029, 22201, 90145, 111005, 244211, 1221055, 2686321, 13431605]

約数ペア:

[(1, 13431605), (5, 2686321), (11, 1221055), (55, 244211), (121, 111005), (149, 90145), (605, 22201), (745, 18029), (1639, 8195)]