1209891

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 16

約数和(自身を含む): 1685376

約数和(自身を除く): 475485

約数列:

[1, 3, 43, 83, 113, 129, 249, 339, 3569, 4859, 9379, 10707, 14577, 28137, 403297, 1209891]

約数ペア:

[(1, 1209891), (3, 403297), (43, 28137), (83, 14577), (113, 10707), (129, 9379), (249, 4859), (339, 3569)]