9978325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3037

約数の個数: 24

約数和(自身を含む): 14889920

約数和(自身を除く): 4911595

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3001, 3325, 15005, 21007, 57019, 75025, 105035, 285095, 399133, 525175, 1425475, 1995665, 9978325]

約数ペア:

[(1, 9978325), (5, 1995665), (7, 1425475), (19, 525175), (25, 399133), (35, 285095), (95, 105035), (133, 75025), (175, 57019), (475, 21007), (665, 15005), (3001, 3325)]