81029997

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{29137}}^1$

素因数の和:29249

約数の個数: 16

約数和(自身を含む): 121214080

約数和(自身を除く): 40184083

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 29137, 87411, 262233, 786699, 3001111, 9003333, 27009999, 81029997]

約数ペア:

[(1, 81029997), (3, 27009999), (9, 9003333), (27, 3001111), (103, 786699), (309, 262233), (927, 87411), (2781, 29137)]