538775145

素因数分解:

$3^4\times 5^1\times {\mathrm{1330309}}^1$

素因数の和:1330326

約数の個数: 20

約数和(自身を含む): 965805060

約数和(自身を除く): 427029915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1330309, 3990927, 6651545, 11972781, 19954635, 35918343, 59863905, 107755029, 179591715, 538775145]

約数ペア:

[(1, 538775145), (3, 179591715), (5, 107755029), (9, 59863905), (15, 35918343), (27, 19954635), (45, 11972781), (81, 6651545), (135, 3990927), (405, 1330309)]