2821731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2311}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 4217088

約数和(自身を除く): 1395357

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 2311, 6933, 25421, 76263, 85507, 256521, 940577, 2821731]

約数ペア:

[(1, 2821731), (3, 940577), (11, 256521), (33, 85507), (37, 76263), (111, 25421), (407, 6933), (1221, 2311)]