259538427

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{2213}}^1$

素因数の和:2459

約数の個数: 24

約数和(自身を含む): 381994704

約数和(自身を除く): 122456277

約数列:

[1, 3, 9, 83, 157, 249, 471, 747, 1413, 2213, 6639, 13031, 19917, 39093, 117279, 183679, 347441, 551037, 1042323, 1653111, 3126969, 28837603, 86512809, 259538427]

約数ペア:

[(1, 259538427), (3, 86512809), (9, 28837603), (83, 3126969), (157, 1653111), (249, 1042323), (471, 551037), (747, 347441), (1413, 183679), (2213, 117279), (6639, 39093), (13031, 19917)]