31511997

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{11789}}^1$

素因数の和:11815

約数の個数: 24

約数和(自身を含む): 51498720

約数和(自身を除く): 19986723

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 11789, 35367, 106101, 129679, 318303, 389037, 954909, 1167111, 2864727, 3501333, 10503999, 31511997]

約数ペア:

[(1, 31511997), (3, 10503999), (9, 3501333), (11, 2864727), (27, 1167111), (33, 954909), (81, 389037), (99, 318303), (243, 129679), (297, 106101), (891, 35367), (2673, 11789)]