15672215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 21582288

約数和(自身を除く): 5910073

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1091, 1105, 2873, 5455, 14183, 14365, 18547, 70915, 92735, 184379, 241111, 921895, 1205555, 3134443, 15672215]

約数ペア:

[(1, 15672215), (5, 3134443), (13, 1205555), (17, 921895), (65, 241111), (85, 184379), (169, 92735), (221, 70915), (845, 18547), (1091, 14365), (1105, 14183), (2873, 5455)]