68540759

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 84646368

約数和(自身を除く): 16105609

約数列:

[1, 7, 23, 49, 61, 161, 427, 997, 1127, 1403, 2989, 6979, 9821, 22931, 48853, 60817, 68747, 160517, 425719, 1123619, 1398791, 2980033, 9791537, 68540759]

約数ペア:

[(1, 68540759), (7, 9791537), (23, 2980033), (49, 1398791), (61, 1123619), (161, 425719), (427, 160517), (997, 68747), (1127, 60817), (1403, 48853), (2989, 22931), (6979, 9821)]