11900025

素因数分解:

$3^2\times 5^2\times {\mathrm{52889}}^1$

素因数の和:52905

約数の個数: 18

約数和(自身を含む): 21314670

約数和(自身を除く): 9414645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 52889, 158667, 264445, 476001, 793335, 1322225, 2380005, 3966675, 11900025]

約数ペア:

[(1, 11900025), (3, 3966675), (5, 2380005), (9, 1322225), (15, 793335), (25, 476001), (45, 264445), (75, 158667), (225, 52889)]