18077931

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 28638720

約数和(自身を除く): 10560789

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 677, 989, 1161, 2031, 2967, 6093, 8901, 15571, 18279, 26703, 29111, 46713, 87333, 140139, 261999, 420417, 669553, 785997, 2008659, 6025977, 18077931]

約数ペア:

[(1, 18077931), (3, 6025977), (9, 2008659), (23, 785997), (27, 669553), (43, 420417), (69, 261999), (129, 140139), (207, 87333), (387, 46713), (621, 29111), (677, 26703), (989, 18279), (1161, 15571), (2031, 8901), (2967, 6093)]