223722225

素因数分解:

$3^2\times 5^2\times {\mathrm{994321}}^1$

素因数の和:994337

約数の個数: 18

約数和(自身を含む): 400711766

約数和(自身を除く): 176989541

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 994321, 2982963, 4971605, 8948889, 14914815, 24858025, 44744445, 74574075, 223722225]

約数ペア:

[(1, 223722225), (3, 74574075), (5, 44744445), (9, 24858025), (15, 14914815), (25, 8948889), (45, 4971605), (75, 2982963), (225, 994321)]