11980787

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 15347808

約数和(自身を除く): 3367021

約数列:

[1, 7, 13, 31, 91, 137, 217, 403, 959, 961, 1781, 2821, 4247, 6727, 12467, 12493, 29729, 55211, 87451, 131657, 386477, 921599, 1711541, 11980787]

約数ペア:

[(1, 11980787), (7, 1711541), (13, 921599), (31, 386477), (91, 131657), (137, 87451), (217, 55211), (403, 29729), (959, 12493), (961, 12467), (1781, 6727), (2821, 4247)]