13490757

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 22404096

約数和(自身を除く): 8913339

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1087, 1379, 1773, 3261, 4137, 7609, 9783, 12411, 22827, 68481, 214139, 642417, 1498973, 1927251, 4496919, 13490757]

約数ペア:

[(1, 13490757), (3, 4496919), (7, 1927251), (9, 1498973), (21, 642417), (63, 214139), (197, 68481), (591, 22827), (1087, 12411), (1379, 9783), (1773, 7609), (3261, 4137)]