163560605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 218359680

約数和(自身を除く): 54799075

約数列:

[1, 5, 13, 43, 65, 139, 215, 421, 559, 695, 1807, 2105, 2795, 5473, 5977, 9035, 18103, 27365, 29885, 58519, 77701, 90515, 235339, 292595, 388505, 760747, 1176695, 2516317, 3803735, 12581585, 32712121, 163560605]

約数ペア:

[(1, 163560605), (5, 32712121), (13, 12581585), (43, 3803735), (65, 2516317), (139, 1176695), (215, 760747), (421, 388505), (559, 292595), (695, 235339), (1807, 90515), (2105, 77701), (2795, 58519), (5473, 29885), (5977, 27365), (9035, 18103)]