2017105727

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^2$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 2753176608

約数和(自身を除く): 736070881

約数列:

[1, 7, 13, 23, 37, 49, 61, 91, 161, 259, 299, 427, 481, 637, 793, 851, 1127, 1403, 1813, 2093, 2257, 2989, 3367, 3721, 5551, 5957, 9821, 11063, 14651, 15799, 18239, 23569, 26047, 29341, 38857, 41699, 48373, 51911, 68747, 77441, 85583, 110593, 127673, 137677, 182329, 205387, 338611, 363377, 542087, 599081, 674843, 893711, 963739, 1112579, 1437709, 1789801, 2370277, 2543639, 3166571, 4193567, 4723901, 6746173, 7788053, 12528607, 22165997, 33067307, 41165423, 54516371, 87700249, 155161979, 288157961, 2017105727]

約数ペア:

[(1, 2017105727), (7, 288157961), (13, 155161979), (23, 87700249), (37, 54516371), (49, 41165423), (61, 33067307), (91, 22165997), (161, 12528607), (259, 7788053), (299, 6746173), (427, 4723901), (481, 4193567), (637, 3166571), (793, 2543639), (851, 2370277), (1127, 1789801), (1403, 1437709), (1813, 1112579), (2093, 963739), (2257, 893711), (2989, 674843), (3367, 599081), (3721, 542087), (5551, 363377), (5957, 338611), (9821, 205387), (11063, 182329), (14651, 137677), (15799, 127673), (18239, 110593), (23569, 85583), (26047, 77441), (29341, 68747), (38857, 51911), (41699, 48373)]