12912860121

素因数分解:

$3^1\times 7^1\times {\mathrm{2393}}^1\times {\mathrm{256957}}^1$

素因数の和:259360

約数の個数: 16

約数和(自身を含む): 19685038464

約数和(自身を除く): 6772178343

約数列:

[1, 3, 7, 21, 2393, 7179, 16751, 50253, 256957, 770871, 1798699, 5396097, 614898101, 1844694303, 4304286707, 12912860121]

約数ペア:

[(1, 12912860121), (3, 4304286707), (7, 1844694303), (21, 614898101), (2393, 5396097), (7179, 1798699), (16751, 770871), (50253, 256957)]