12660381

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1210

約数の個数: 20

約数和(自身を含む): 19057500

約数和(自身を除く): 6397119

約数列:

[1, 3, 9, 27, 81, 149, 447, 1049, 1341, 3147, 4023, 9441, 12069, 28323, 84969, 156301, 468903, 1406709, 4220127, 12660381]

約数ペア:

[(1, 12660381), (3, 4220127), (9, 1406709), (27, 468903), (81, 156301), (149, 84969), (447, 28323), (1049, 12069), (1341, 9441), (3147, 4023)]