51815997

素因数分解:

$3^3\times {\mathrm{263}}^1\times {\mathrm{7297}}^1$

素因数の和:7569

約数の個数: 16

約数和(自身を含む): 77066880

約数和(自身を除く): 25250883

約数列:

[1, 3, 9, 27, 263, 789, 2367, 7101, 7297, 21891, 65673, 197019, 1919111, 5757333, 17271999, 51815997]

約数ペア:

[(1, 51815997), (3, 17271999), (9, 5757333), (27, 1919111), (263, 197019), (789, 65673), (2367, 21891), (7101, 7297)]