2787855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{3793}}^1$

素因数の和:3815

約数の個数: 24

約数和(自身を含む): 5190192

約数和(自身を除く): 2402337

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 3793, 11379, 18965, 26551, 56895, 79653, 132755, 185857, 398265, 557571, 929285, 2787855]

約数ペア:

[(1, 2787855), (3, 929285), (5, 557571), (7, 398265), (15, 185857), (21, 132755), (35, 79653), (49, 56895), (105, 26551), (147, 18965), (245, 11379), (735, 3793)]