18315315

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 33663168

約数和(自身を除く): 15347853

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1103, 1107, 1845, 3309, 3321, 5515, 5535, 9927, 16545, 16605, 29781, 45223, 49635, 89343, 135669, 148905, 226115, 407007, 446715, 678345, 1221021, 2035035, 3663063, 6105105, 18315315]

約数ペア:

[(1, 18315315), (3, 6105105), (5, 3663063), (9, 2035035), (15, 1221021), (27, 678345), (41, 446715), (45, 407007), (81, 226115), (123, 148905), (135, 135669), (205, 89343), (369, 49635), (405, 45223), (615, 29781), (1103, 16605), (1107, 16545), (1845, 9927), (3309, 5535), (3321, 5515)]