65551759

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 84022400

約数和(自身を除く): 18470641

約数列:

[1, 7, 13, 49, 61, 91, 241, 343, 427, 637, 793, 1687, 2989, 3133, 4459, 5551, 11809, 14701, 20923, 21931, 38857, 82663, 102907, 153517, 191113, 271999, 720349, 1074619, 1337791, 5042443, 9364537, 65551759]

約数ペア:

[(1, 65551759), (7, 9364537), (13, 5042443), (49, 1337791), (61, 1074619), (91, 720349), (241, 271999), (343, 191113), (427, 153517), (637, 102907), (793, 82663), (1687, 38857), (2989, 21931), (3133, 20923), (4459, 14701), (5551, 11809)]