80987908401

素因数分解:

$3^4\times {\mathrm{53551}}^1\times {\mathrm{18671}}^1$

素因数の和:72234

約数の個数: 20

約数和(自身を含む): 120990676224

約数和(自身を除く): 40002767823

約数列:

[1, 3, 9, 27, 81, 18671, 53551, 56013, 160653, 168039, 481959, 504117, 1445877, 1512351, 4337631, 999850721, 2999552163, 8998656489, 26995969467, 80987908401]

約数ペア:

[(1, 80987908401), (3, 26995969467), (9, 8998656489), (27, 2999552163), (81, 999850721), (18671, 4337631), (53551, 1512351), (56013, 1445877), (160653, 504117), (168039, 481959)]