81718929

素因数分解:

$3^3\times {\mathrm{467}}^1\times {\mathrm{6481}}^1$

素因数の和:6957

約数の個数: 16

約数和(自身を含む): 121343040

約数和(自身を除く): 39624111

約数列:

[1, 3, 9, 27, 467, 1401, 4203, 6481, 12609, 19443, 58329, 174987, 3026627, 9079881, 27239643, 81718929]

約数ペア:

[(1, 81718929), (3, 27239643), (9, 9079881), (27, 3026627), (467, 174987), (1401, 58329), (4203, 19443), (6481, 12609)]