80787411

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{10987}}^1$

素因数の和:11055

約数の個数: 24

約数和(自身を含む): 125702720

約数和(自身を除く): 44915309

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 10987, 32961, 98883, 208753, 472441, 626259, 1417323, 1878777, 4251969, 8976379, 26929137, 80787411]

約数ペア:

[(1, 80787411), (3, 26929137), (9, 8976379), (19, 4251969), (43, 1878777), (57, 1417323), (129, 626259), (171, 472441), (387, 208753), (817, 98883), (2451, 32961), (7353, 10987)]