31370427

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4551

約数の個数: 24

約数和(自身を含む): 50139648

約数和(自身を除く): 18769221

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 4463, 7029, 13389, 40167, 49093, 147279, 316873, 441837, 950619, 2851857, 3485603, 10456809, 31370427]

約数ペア:

[(1, 31370427), (3, 10456809), (9, 3485603), (11, 2851857), (33, 950619), (71, 441837), (99, 316873), (213, 147279), (639, 49093), (781, 40167), (2343, 13389), (4463, 7029)]