81860723

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{5821}}^1$

素因数の和:5883

約数の個数: 16

約数和(自身を含む): 97809600

約数和(自身を除く): 15948877

約数列:

[1, 7, 41, 49, 287, 343, 2009, 5821, 14063, 40747, 238661, 285229, 1670627, 1996603, 11694389, 81860723]

約数ペア:

[(1, 81860723), (7, 11694389), (41, 1996603), (49, 1670627), (287, 285229), (343, 238661), (2009, 40747), (5821, 14063)]