648902007

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{40483}}^1$

素因数の和:40639

約数の個数: 24

約数和(自身を含む): 1016796144

約数和(自身を除く): 367894137

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 5343, 16029, 40483, 121449, 364347, 526279, 1578837, 4736511, 5546171, 16638513, 49915539, 72100223, 216300669, 648902007]

約数ペア:

[(1, 648902007), (3, 216300669), (9, 72100223), (13, 49915539), (39, 16638513), (117, 5546171), (137, 4736511), (411, 1578837), (1233, 526279), (1781, 364347), (5343, 121449), (16029, 40483)]