1285751781

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 1929141760

約数和(自身を除く): 643389979

約数列:

[1, 3, 9, 79, 97, 103, 181, 237, 291, 309, 543, 711, 873, 927, 1629, 7663, 8137, 9991, 14299, 17557, 18643, 22989, 24411, 29973, 42897, 52671, 55929, 68967, 73233, 89919, 128691, 158013, 167787, 789289, 1387003, 1472797, 1808371, 2367867, 4161009, 4418391, 5425113, 7103601, 12483027, 13255173, 16275339, 142861309, 428583927, 1285751781]

約数ペア:

[(1, 1285751781), (3, 428583927), (9, 142861309), (79, 16275339), (97, 13255173), (103, 12483027), (181, 7103601), (237, 5425113), (291, 4418391), (309, 4161009), (543, 2367867), (711, 1808371), (873, 1472797), (927, 1387003), (1629, 789289), (7663, 167787), (8137, 158013), (9991, 128691), (14299, 89919), (17557, 73233), (18643, 68967), (22989, 55929), (24411, 52671), (29973, 42897)]