15205021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 17527104

約数和(自身を除く): 2322083

約数列:

[1, 13, 17, 107, 221, 643, 1391, 1819, 8359, 10931, 23647, 68801, 142103, 894413, 1169617, 15205021]

約数ペア:

[(1, 15205021), (13, 1169617), (17, 894413), (107, 142103), (221, 68801), (643, 23647), (1391, 10931), (1819, 8359)]