81333005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23609}}^1$

素因数の和:23680

約数の個数: 16

約数和(自身を含む): 107094960

約数和(自身を除く): 25761955

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 23609, 118045, 306917, 1251277, 1534585, 6256385, 16266601, 81333005]

約数ペア:

[(1, 81333005), (5, 16266601), (13, 6256385), (53, 1534585), (65, 1251277), (265, 306917), (689, 118045), (3445, 23609)]