15722915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 21345120

約数和(自身を除く): 5622205

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 809, 845, 1495, 3887, 4045, 10517, 18607, 19435, 52585, 93035, 136721, 241891, 683605, 1209455, 3144583, 15722915]

約数ペア:

[(1, 15722915), (5, 3144583), (13, 1209455), (23, 683605), (65, 241891), (115, 136721), (169, 93035), (299, 52585), (809, 19435), (845, 18607), (1495, 10517), (3887, 4045)]