15386721

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10037}}^1$

素因数の和:10120

約数の個数: 16

約数和(自身を含む): 23769984

約数和(自身を除く): 8383263

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 10037, 30111, 70259, 210777, 732701, 2198103, 5128907, 15386721]

約数ペア:

[(1, 15386721), (3, 5128907), (7, 2198103), (21, 732701), (73, 210777), (219, 70259), (511, 30111), (1533, 10037)]