68275557

素因数分解:

$3^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1087}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 112925696

約数和(自身を除く): 44650139

約数列:

[1, 3, 7, 9, 21, 63, 997, 1087, 2991, 3261, 6979, 7609, 8973, 9783, 20937, 22827, 62811, 68481, 1083739, 3251217, 7586173, 9753651, 22758519, 68275557]

約数ペア:

[(1, 68275557), (3, 22758519), (7, 9753651), (9, 7586173), (21, 3251217), (63, 1083739), (997, 68481), (1087, 62811), (2991, 22827), (3261, 20937), (6979, 9783), (7609, 8973)]