281556819

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{10247}}^1$

素因数の和:10367

約数の個数: 24

約数和(自身を含む): 422053632

約数和(自身を除く): 140496813

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 3053, 9159, 10247, 27477, 30741, 92223, 440621, 727537, 1321863, 2182611, 3965589, 6547833, 31284091, 93852273, 281556819]

約数ペア:

[(1, 281556819), (3, 93852273), (9, 31284091), (43, 6547833), (71, 3965589), (129, 2182611), (213, 1321863), (387, 727537), (639, 440621), (3053, 92223), (9159, 30741), (10247, 27477)]