30331845

素因数分解:

$3^2\times 5^1\times {\mathrm{821}}^2$

素因数の和:1653

約数の個数: 18

約数和(自身を含む): 52639314

約数和(自身を除く): 22307469

約数列:

[1, 3, 5, 9, 15, 45, 821, 2463, 4105, 7389, 12315, 36945, 674041, 2022123, 3370205, 6066369, 10110615, 30331845]

約数ペア:

[(1, 30331845), (3, 10110615), (5, 6066369), (9, 3370205), (15, 2022123), (45, 674041), (821, 36945), (2463, 12315), (4105, 7389)]