168221505

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{27967}}^1$

素因数の和:28376

約数の個数: 16

約数和(自身を含む): 269835264

約数和(自身を除く): 101613759

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 6015, 27967, 83901, 139835, 419505, 11214767, 33644301, 56073835, 168221505]

約数ペア:

[(1, 168221505), (3, 56073835), (5, 33644301), (15, 11214767), (401, 419505), (1203, 139835), (2005, 83901), (6015, 27967)]