2931831

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 4885920

約数和(自身を除く): 1954089

約数列:

[1, 3, 7, 9, 21, 63, 173, 269, 519, 807, 1211, 1557, 1883, 2421, 3633, 5649, 10899, 16947, 46537, 139611, 325759, 418833, 977277, 2931831]

約数ペア:

[(1, 2931831), (3, 977277), (7, 418833), (9, 325759), (21, 139611), (63, 46537), (173, 16947), (269, 10899), (519, 5649), (807, 3633), (1211, 2421), (1557, 1883)]