51228315

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2417}}^1$

素因数の和:2588

約数の個数: 32

約数和(自身を含む): 91690560

約数和(自身を除く): 40462245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 2417, 4239, 7065, 7251, 12085, 21195, 21753, 36255, 65259, 108765, 326295, 379469, 1138407, 1897345, 3415221, 5692035, 10245663, 17076105, 51228315]

約数ペア:

[(1, 51228315), (3, 17076105), (5, 10245663), (9, 5692035), (15, 3415221), (27, 1897345), (45, 1138407), (135, 379469), (157, 326295), (471, 108765), (785, 65259), (1413, 36255), (2355, 21753), (2417, 21195), (4239, 12085), (7065, 7251)]