201951405

素因数分解:

$3^2\times 5^1\times {\mathrm{4487809}}^1$

素因数の和:4487820

約数の個数: 12

約数和(自身を含む): 350049180

約数和(自身を除く): 148097775

約数列:

[1, 3, 5, 9, 15, 45, 4487809, 13463427, 22439045, 40390281, 67317135, 201951405]

約数ペア:

[(1, 201951405), (3, 67317135), (5, 40390281), (9, 22439045), (15, 13463427), (45, 4487809)]