28311225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5171}}^1$

素因数の和:5257

約数の個数: 24

約数和(自身を含む): 47458272

約数和(自身を除く): 19147047

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 5171, 5475, 15513, 25855, 77565, 129275, 377483, 387825, 1132449, 1887415, 5662245, 9437075, 28311225]

約数ペア:

[(1, 28311225), (3, 9437075), (5, 5662245), (15, 1887415), (25, 1132449), (73, 387825), (75, 377483), (219, 129275), (365, 77565), (1095, 25855), (1825, 15513), (5171, 5475)]