2680509

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 4110912

約数和(自身を除く): 1430403

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 311, 507, 663, 933, 2873, 4043, 5287, 8619, 12129, 15861, 52559, 68731, 157677, 206193, 893503, 2680509]

約数ペア:

[(1, 2680509), (3, 893503), (13, 206193), (17, 157677), (39, 68731), (51, 52559), (169, 15861), (221, 12129), (311, 8619), (507, 5287), (663, 4043), (933, 2873)]