1213175025

素因数分解:

$3^2\times 5^2\times {\mathrm{5391889}}^1$

素因数の和:5391905

約数の個数: 18

約数和(自身を含む): 2172931670

約数和(自身を除く): 959756645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 5391889, 16175667, 26959445, 48527001, 80878335, 134797225, 242635005, 404391675, 1213175025]

約数ペア:

[(1, 1213175025), (3, 404391675), (5, 242635005), (9, 134797225), (15, 80878335), (25, 48527001), (45, 26959445), (75, 16175667), (225, 5391889)]