277156971

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2030

約数の個数: 80

約数和(自身を含む): 536659200

約数和(自身を除く): 259502229

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 567, 741, 819, 1053, 1197, 1539, 1729, 1979, 2223, 2457, 3591, 5187, 5937, 6669, 7371, 10773, 13853, 15561, 17811, 20007, 25727, 37601, 41559, 46683, 53433, 77181, 112803, 124677, 140049, 160299, 180089, 231543, 263207, 338409, 374031, 488813, 540267, 694629, 789621, 1015227, 1122093, 1466439, 1620801, 2083887, 2368863, 3045681, 3421691, 4399317, 4862403, 7106589, 10265073, 13197951, 14587209, 21319767, 30795219, 39593853, 92385657, 277156971]

約数ペア:

[(1, 277156971), (3, 92385657), (7, 39593853), (9, 30795219), (13, 21319767), (19, 14587209), (21, 13197951), (27, 10265073), (39, 7106589), (57, 4862403), (63, 4399317), (81, 3421691), (91, 3045681), (117, 2368863), (133, 2083887), (171, 1620801), (189, 1466439), (247, 1122093), (273, 1015227), (351, 789621), (399, 694629), (513, 540267), (567, 488813), (741, 374031), (819, 338409), (1053, 263207), (1197, 231543), (1539, 180089), (1729, 160299), (1979, 140049), (2223, 124677), (2457, 112803), (3591, 77181), (5187, 53433), (5937, 46683), (6669, 41559), (7371, 37601), (10773, 25727), (13853, 20007), (15561, 17811)]