12130391

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 15417360

約数和(自身を除く): 3286969

約数列:

[1, 7, 13, 49, 91, 137, 139, 637, 959, 973, 1781, 1807, 6713, 6811, 12467, 12649, 19043, 87269, 88543, 133301, 247559, 933107, 1732913, 12130391]

約数ペア:

[(1, 12130391), (7, 1732913), (13, 933107), (49, 247559), (91, 133301), (137, 88543), (139, 87269), (637, 19043), (959, 12649), (973, 12467), (1781, 6811), (1807, 6713)]