261956619

素因数分解:

$3^3\times {\mathrm{857}}^1\times {\mathrm{11321}}^1$

素因数の和:12187

約数の個数: 16

約数和(自身を含む): 388571040

約数和(自身を除く): 126614421

約数列:

[1, 3, 9, 27, 857, 2571, 7713, 11321, 23139, 33963, 101889, 305667, 9702097, 29106291, 87318873, 261956619]

約数ペア:

[(1, 261956619), (3, 87318873), (9, 29106291), (27, 9702097), (857, 305667), (2571, 101889), (7713, 33963), (11321, 23139)]