77870979

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 115644672

約数和(自身を除く): 37773693

約数列:

[1, 3, 9, 43, 129, 311, 387, 647, 933, 1941, 2799, 5823, 13373, 27821, 40119, 83463, 120357, 201217, 250389, 603651, 1810953, 8652331, 25956993, 77870979]

約数ペア:

[(1, 77870979), (3, 25956993), (9, 8652331), (43, 1810953), (129, 603651), (311, 250389), (387, 201217), (647, 120357), (933, 83463), (1941, 40119), (2799, 27821), (5823, 13373)]