13181325

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 21936096

約数和(自身を除く): 8754771

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 971, 2715, 2913, 4525, 4855, 13575, 14565, 24275, 72825, 175751, 527253, 878755, 2636265, 4393775, 13181325]

約数ペア:

[(1, 13181325), (3, 4393775), (5, 2636265), (15, 878755), (25, 527253), (75, 175751), (181, 72825), (543, 24275), (905, 14565), (971, 13575), (2715, 4855), (2913, 4525)]