42109825

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 54177336

約数和(自身を除く): 12067511

約数列:

[1, 5, 25, 53, 61, 265, 305, 521, 1325, 1525, 2605, 3233, 13025, 16165, 27613, 31781, 80825, 138065, 158905, 690325, 794525, 1684393, 8421965, 42109825]

約数ペア:

[(1, 42109825), (5, 8421965), (25, 1684393), (53, 794525), (61, 690325), (265, 158905), (305, 138065), (521, 80825), (1325, 31781), (1525, 27613), (2605, 16165), (3233, 13025)]