248536431

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 447216000

約数和(自身を除く): 198679569

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 43, 81, 99, 117, 129, 143, 297, 351, 387, 429, 473, 499, 559, 891, 1053, 1161, 1287, 1419, 1497, 1677, 3483, 3861, 4257, 4491, 5031, 5489, 6149, 6487, 11583, 12771, 13473, 15093, 16467, 18447, 19461, 21457, 38313, 40419, 45279, 49401, 55341, 58383, 64371, 71357, 148203, 166023, 175149, 193113, 214071, 236027, 278941, 444609, 498069, 525447, 579339, 642213, 708081, 836823, 1738017, 1926639, 2124243, 2510469, 3068351, 5779917, 6372729, 7531407, 9205053, 19118187, 22594221, 27615159, 82845477, 248536431]

約数ペア:

[(1, 248536431), (3, 82845477), (9, 27615159), (11, 22594221), (13, 19118187), (27, 9205053), (33, 7531407), (39, 6372729), (43, 5779917), (81, 3068351), (99, 2510469), (117, 2124243), (129, 1926639), (143, 1738017), (297, 836823), (351, 708081), (387, 642213), (429, 579339), (473, 525447), (499, 498069), (559, 444609), (891, 278941), (1053, 236027), (1161, 214071), (1287, 193113), (1419, 175149), (1497, 166023), (1677, 148203), (3483, 71357), (3861, 64371), (4257, 58383), (4491, 55341), (5031, 49401), (5489, 45279), (6149, 40419), (6487, 38313), (11583, 21457), (12771, 19461), (13473, 18447), (15093, 16467)]