13181217

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{919}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 20136960

約数和(自身を除く): 6955743

約数列:

[1, 3, 7, 21, 683, 919, 2049, 2757, 4781, 6433, 14343, 19299, 627677, 1883031, 4393739, 13181217]

約数ペア:

[(1, 13181217), (3, 4393739), (7, 1883031), (21, 627677), (683, 19299), (919, 14343), (2049, 6433), (2757, 4781)]