25266315

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4001}}^1$

素因数の和:4430

約数の個数: 16

約数和(自身を含む): 40532256

約数和(自身を除く): 15265941

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 4001, 6315, 12003, 20005, 60015, 1684421, 5053263, 8422105, 25266315]

約数ペア:

[(1, 25266315), (3, 8422105), (5, 5053263), (15, 1684421), (421, 60015), (1263, 20005), (2105, 12003), (4001, 6315)]