220111927

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 262219776

約数和(自身を除く): 42107849

約数列:

[1, 7, 37, 103, 223, 259, 721, 1369, 1561, 3811, 8251, 9583, 22969, 26677, 57757, 141007, 160783, 305287, 849853, 987049, 2137009, 5948971, 31444561, 220111927]

約数ペア:

[(1, 220111927), (7, 31444561), (37, 5948971), (103, 2137009), (223, 987049), (259, 849853), (721, 305287), (1369, 160783), (1561, 141007), (3811, 57757), (8251, 26677), (9583, 22969)]