3210125

素因数分解:

$5^3\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 16

約数和(自身を含む): 4081584

約数和(自身を除く): 871459

約数列:

[1, 5, 25, 61, 125, 305, 421, 1525, 2105, 7625, 10525, 25681, 52625, 128405, 642025, 3210125]

約数ペア:

[(1, 3210125), (5, 642025), (25, 128405), (61, 52625), (125, 25681), (305, 10525), (421, 7625), (1525, 2105)]