81322115

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{8971}}^1$

素因数の和:9027

約数の個数: 24

約数和(自身を含む): 116600112

約数和(自身を除く): 35277997

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 8971, 9065, 44855, 62797, 313985, 331927, 439579, 1659635, 2197895, 2323489, 11617445, 16264423, 81322115]

約数ペア:

[(1, 81322115), (5, 16264423), (7, 11617445), (35, 2323489), (37, 2197895), (49, 1659635), (185, 439579), (245, 331927), (259, 313985), (1295, 62797), (1813, 44855), (8971, 9065)]