16507881

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 27097224

約数和(自身を除く): 10589343

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 257, 351, 549, 771, 793, 1053, 1647, 2313, 2379, 3341, 4941, 6939, 7137, 10023, 15677, 20817, 21411, 30069, 47031, 64233, 90207, 141093, 203801, 270621, 423279, 611403, 1269837, 1834209, 5502627, 16507881]

約数ペア:

[(1, 16507881), (3, 5502627), (9, 1834209), (13, 1269837), (27, 611403), (39, 423279), (61, 270621), (81, 203801), (117, 141093), (183, 90207), (257, 64233), (351, 47031), (549, 30069), (771, 21411), (793, 20817), (1053, 15677), (1647, 10023), (2313, 7137), (2379, 6939), (3341, 4941)]