12768111

素因数分解:

$3^4\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:852

約数の個数: 20

約数和(自身を含む): 19175112

約数和(自身を除く): 6407001

約数列:

[1, 3, 9, 27, 81, 283, 557, 849, 1671, 2547, 5013, 7641, 15039, 22923, 45117, 157631, 472893, 1418679, 4256037, 12768111]

約数ペア:

[(1, 12768111), (3, 4256037), (9, 1418679), (27, 472893), (81, 157631), (283, 45117), (557, 22923), (849, 15039), (1671, 7641), (2547, 5013)]