13857225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 23233632

約数和(自身を除く): 9376407

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 2531, 5475, 7593, 12655, 37965, 63275, 184763, 189825, 554289, 923815, 2771445, 4619075, 13857225]

約数ペア:

[(1, 13857225), (3, 4619075), (5, 2771445), (15, 923815), (25, 554289), (73, 189825), (75, 184763), (219, 63275), (365, 37965), (1095, 12655), (1825, 7593), (2531, 5475)]