12127689

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1181}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 20160192

約数和(自身を除く): 8032503

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1181, 1467, 3423, 3543, 8267, 10269, 10629, 24801, 74403, 192503, 577509, 1347521, 1732527, 4042563, 12127689]

約数ペア:

[(1, 12127689), (3, 4042563), (7, 1732527), (9, 1347521), (21, 577509), (63, 192503), (163, 74403), (489, 24801), (1141, 10629), (1181, 10269), (1467, 8267), (3423, 3543)]