28920170025

素因数分解:

$3^2\times 5^2\times {\mathrm{128534089}}^1$

素因数の和:128534105

約数の個数: 18

約数和(自身を含む): 51799238270

約数和(自身を除く): 22879068245

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 128534089, 385602267, 642670445, 1156806801, 1928011335, 3213352225, 5784034005, 9640056675, 28920170025]

約数ペア:

[(1, 28920170025), (3, 9640056675), (5, 5784034005), (9, 3213352225), (15, 1928011335), (25, 1156806801), (45, 642670445), (75, 385602267), (225, 128534089)]