51681771

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 76933584

約数和(自身を除く): 25251813

約数列:

[1, 3, 9, 41, 123, 227, 369, 617, 681, 1851, 2043, 5553, 9307, 25297, 27921, 75891, 83763, 140059, 227673, 420177, 1260531, 5742419, 17227257, 51681771]

約数ペア:

[(1, 51681771), (3, 17227257), (9, 5742419), (41, 1260531), (123, 420177), (227, 227673), (369, 140059), (617, 83763), (681, 75891), (1851, 27921), (2043, 25297), (5553, 9307)]