12721449

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4129}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 18502400

約数和(自身を除く): 5780951

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 4129, 12387, 53677, 161031, 326191, 978573, 4240483, 12721449]

約数ペア:

[(1, 12721449), (3, 4240483), (13, 978573), (39, 326191), (79, 161031), (237, 53677), (1027, 12387), (3081, 4129)]