249970617

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{857}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 404059656

約数和(自身を除く): 154089039

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 277, 351, 831, 857, 1053, 2493, 2571, 3601, 7479, 7713, 10803, 11141, 22437, 23139, 32409, 33423, 69417, 97227, 100269, 237389, 291681, 300807, 712167, 902421, 2136501, 3086057, 6409503, 9258171, 19228509, 27774513, 83323539, 249970617]

約数ペア:

[(1, 249970617), (3, 83323539), (9, 27774513), (13, 19228509), (27, 9258171), (39, 6409503), (81, 3086057), (117, 2136501), (277, 902421), (351, 712167), (831, 300807), (857, 291681), (1053, 237389), (2493, 100269), (2571, 97227), (3601, 69417), (7479, 33423), (7713, 32409), (10803, 23139), (11141, 22437)]