311493

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 523488

約数和(自身を除く): 211995

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 273, 489, 637, 1141, 1911, 2119, 3423, 6357, 7987, 14833, 23961, 44499, 103831, 311493]

約数ペア:

[(1, 311493), (3, 103831), (7, 44499), (13, 23961), (21, 14833), (39, 7987), (49, 6357), (91, 3423), (147, 2119), (163, 1911), (273, 1141), (489, 637)]