201801555

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{15959}}^1$

素因数の和:16251

約数の個数: 24

約数和(自身を含む): 351056160

約数和(自身を除く): 149254605

約数列:

[1, 3, 5, 9, 15, 45, 281, 843, 1405, 2529, 4215, 12645, 15959, 47877, 79795, 143631, 239385, 718155, 4484479, 13453437, 22422395, 40360311, 67267185, 201801555]

約数ペア:

[(1, 201801555), (3, 67267185), (5, 40360311), (9, 22422395), (15, 13453437), (45, 4484479), (281, 718155), (843, 239385), (1405, 143631), (2529, 79795), (4215, 47877), (12645, 15959)]