12721839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3167}}^1$

素因数の和:3286

約数の個数: 16

約数和(自身を含む): 18450432

約数和(自身を除く): 5728593

約数列:

[1, 3, 13, 39, 103, 309, 1339, 3167, 4017, 9501, 41171, 123513, 326201, 978603, 4240613, 12721839]

約数ペア:

[(1, 12721839), (3, 4240613), (13, 978603), (39, 326201), (103, 123513), (309, 41171), (1339, 9501), (3167, 4017)]