12821406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{164377}}^1$

素因数の和:164395

約数の個数: 16

約数和(自身を含む): 27615504

約数和(自身を除く): 14794098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 164377, 328754, 493131, 986262, 2136901, 4273802, 6410703, 12821406]

約数ペア:

[(1, 12821406), (2, 6410703), (3, 4273802), (6, 2136901), (13, 986262), (26, 493131), (39, 328754), (78, 164377)]