42138405

素因数分解:

$3^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1237}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 73195512

約数和(自身を除く): 31057107

約数列:

[1, 3, 5, 9, 15, 45, 757, 1237, 2271, 3711, 3785, 6185, 6813, 11133, 11355, 18555, 34065, 55665, 936409, 2809227, 4682045, 8427681, 14046135, 42138405]

約数ペア:

[(1, 42138405), (3, 14046135), (5, 8427681), (9, 4682045), (15, 2809227), (45, 936409), (757, 55665), (1237, 34065), (2271, 18555), (3711, 11355), (3785, 11133), (6185, 6813)]