31638087

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3919}}^1$

素因数の和:3964

約数の個数: 32

約数和(自身を含む): 52684800

約数和(自身を除く): 21046713

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3919, 8073, 11757, 35271, 50947, 90137, 105813, 152841, 270411, 458523, 811233, 1171781, 1375569, 2433699, 3515343, 10546029, 31638087]

約数ペア:

[(1, 31638087), (3, 10546029), (9, 3515343), (13, 2433699), (23, 1375569), (27, 1171781), (39, 811233), (69, 458523), (117, 270411), (207, 152841), (299, 105813), (351, 90137), (621, 50947), (897, 35271), (2691, 11757), (3919, 8073)]