285514281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18917}}^1$

素因数の和:18982

約数の個数: 32

約数和(自身を含む): 466139520

約数和(自身を除く): 180625239

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 18917, 56751, 170253, 245921, 510759, 737763, 813431, 2213289, 2440293, 6639867, 7320879, 10574603, 21962637, 31723809, 95171427, 285514281]

約数ペア:

[(1, 285514281), (3, 95171427), (9, 31723809), (13, 21962637), (27, 10574603), (39, 7320879), (43, 6639867), (117, 2440293), (129, 2213289), (351, 813431), (387, 737763), (559, 510759), (1161, 245921), (1677, 170253), (5031, 56751), (15093, 18917)]