15187431

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9907}}^1$

素因数の和:9990

約数の個数: 16

約数和(自身を含む): 23462144

約数和(自身を除く): 8274713

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 9907, 29721, 69349, 208047, 723211, 2169633, 5062477, 15187431]

約数ペア:

[(1, 15187431), (3, 5062477), (7, 2169633), (21, 723211), (73, 208047), (219, 69349), (511, 29721), (1533, 9907)]