340804971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67741}}^1$

素因数の和:67803

約数の個数: 24

約数和(自身を含む): 542477936

約数和(自身を除く): 201672965

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 67741, 203223, 609669, 880633, 2641899, 2912863, 7925697, 8738589, 26215767, 37867219, 113601657, 340804971]

約数ペア:

[(1, 340804971), (3, 113601657), (9, 37867219), (13, 26215767), (39, 8738589), (43, 7925697), (117, 2912863), (129, 2641899), (387, 880633), (559, 609669), (1677, 203223), (5031, 67741)]