828075

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 1399216

約数和(自身を除く): 571141

約数列:

[1, 3, 5, 15, 25, 61, 75, 181, 183, 305, 543, 905, 915, 1525, 2715, 4525, 4575, 11041, 13575, 33123, 55205, 165615, 276025, 828075]

約数ペア:

[(1, 828075), (3, 276025), (5, 165615), (15, 55205), (25, 33123), (61, 13575), (75, 11041), (181, 4575), (183, 4525), (305, 2715), (543, 1525), (905, 915)]