15159781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2731}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 18971008

約数和(自身を除く): 3811227

約数列:

[1, 7, 13, 61, 91, 427, 793, 2731, 5551, 19117, 35503, 166591, 248521, 1166137, 2165683, 15159781]

約数ペア:

[(1, 15159781), (7, 2165683), (13, 1166137), (61, 248521), (91, 166591), (427, 35503), (793, 19117), (2731, 5551)]