15663621

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 21965184

約数和(自身を除く): 6301563

約数列:

[1, 3, 23, 69, 137, 411, 1657, 3151, 4971, 9453, 38111, 114333, 227009, 681027, 5221207, 15663621]

約数ペア:

[(1, 15663621), (3, 5221207), (23, 681027), (69, 227009), (137, 114333), (411, 38111), (1657, 9453), (3151, 4971)]