561557997

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 1103671296

約数和(自身を除く): 542113299

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 83, 91, 99, 117, 143, 231, 249, 273, 429, 581, 693, 747, 751, 819, 913, 1001, 1079, 1287, 1743, 2253, 2739, 3003, 3237, 5229, 5257, 6391, 6759, 7553, 8217, 8261, 9009, 9711, 9763, 11869, 15771, 19173, 22659, 24783, 29289, 35607, 47313, 57519, 57827, 62333, 67977, 68341, 74349, 83083, 87867, 106821, 107393, 173481, 186999, 205023, 249249, 322179, 436331, 520443, 560997, 615069, 685663, 747747, 751751, 810329, 966537, 1308993, 2056989, 2255253, 2430987, 3926979, 4799641, 5672303, 6170967, 6765759, 7292961, 8913619, 14398923, 17016909, 26740857, 43196769, 51050727, 62395333, 80222571, 187185999, 561557997]

約数ペア:

[(1, 561557997), (3, 187185999), (7, 80222571), (9, 62395333), (11, 51050727), (13, 43196769), (21, 26740857), (33, 17016909), (39, 14398923), (63, 8913619), (77, 7292961), (83, 6765759), (91, 6170967), (99, 5672303), (117, 4799641), (143, 3926979), (231, 2430987), (249, 2255253), (273, 2056989), (429, 1308993), (581, 966537), (693, 810329), (747, 751751), (751, 747747), (819, 685663), (913, 615069), (1001, 560997), (1079, 520443), (1287, 436331), (1743, 322179), (2253, 249249), (2739, 205023), (3003, 186999), (3237, 173481), (5229, 107393), (5257, 106821), (6391, 87867), (6759, 83083), (7553, 74349), (8217, 68341), (8261, 67977), (9009, 62333), (9711, 57827), (9763, 57519), (11869, 47313), (15771, 35607), (19173, 29289), (22659, 24783)]