7990281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 12836096

約数和(自身を除く): 4845815

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 2203, 3627, 6609, 19827, 28639, 68293, 85917, 204879, 257751, 614637, 887809, 2663427, 7990281]

約数ペア:

[(1, 7990281), (3, 2663427), (9, 887809), (13, 614637), (31, 257751), (39, 204879), (93, 85917), (117, 68293), (279, 28639), (403, 19827), (1209, 6609), (2203, 3627)]