81054909

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 131751984

約数和(自身を除く): 50697075

約数列:

[1, 3, 9, 13, 39, 41, 61, 117, 123, 183, 277, 369, 533, 549, 793, 831, 1599, 2379, 2493, 2501, 3601, 4797, 7137, 7503, 10803, 11357, 16897, 22509, 32409, 32513, 34071, 50691, 97539, 102213, 147641, 152073, 219661, 292617, 442923, 658983, 692777, 1328769, 1976949, 2078331, 6234993, 9006101, 27018303, 81054909]

約数ペア:

[(1, 81054909), (3, 27018303), (9, 9006101), (13, 6234993), (39, 2078331), (41, 1976949), (61, 1328769), (117, 692777), (123, 658983), (183, 442923), (277, 292617), (369, 219661), (533, 152073), (549, 147641), (793, 102213), (831, 97539), (1599, 50691), (2379, 34071), (2493, 32513), (2501, 32409), (3601, 22509), (4797, 16897), (7137, 11357), (7503, 10803)]