208761777

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{144073}}^1$

素因数の和:144109

約数の個数: 24

約数和(自身を含む): 359608704

約数和(自身を除く): 150846927

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 144073, 432219, 1008511, 1296657, 3025533, 3313679, 9076599, 9941037, 23195753, 29823111, 69587259, 208761777]

約数ペア:

[(1, 208761777), (3, 69587259), (7, 29823111), (9, 23195753), (21, 9941037), (23, 9076599), (63, 3313679), (69, 3025533), (161, 1296657), (207, 1008511), (483, 432219), (1449, 144073)]