12223491

素因数分解:

$3^1\times 7^4\times {\mathrm{1697}}^1$

素因数の和:1728

約数の個数: 20

約数和(自身を含む): 19024392

約数和(自身を除く): 6800901

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1697, 2401, 5091, 7203, 11879, 35637, 83153, 249459, 582071, 1746213, 4074497, 12223491]

約数ペア:

[(1, 12223491), (3, 4074497), (7, 1746213), (21, 582071), (49, 249459), (147, 83153), (343, 35637), (1029, 11879), (1697, 7203), (2401, 5091)]