561718989

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 906508800

約数和(自身を除く): 344789811

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 257, 351, 479, 507, 771, 1437, 1521, 2313, 3341, 4311, 4563, 6227, 6939, 10023, 12933, 18681, 30069, 43433, 56043, 80951, 90207, 123103, 130299, 168129, 242853, 369309, 390897, 728559, 1107927, 1172691, 1600339, 2185677, 3323781, 4801017, 14403051, 20804407, 43209153, 62413221, 187239663, 561718989]

約数ペア:

[(1, 561718989), (3, 187239663), (9, 62413221), (13, 43209153), (27, 20804407), (39, 14403051), (117, 4801017), (169, 3323781), (257, 2185677), (351, 1600339), (479, 1172691), (507, 1107927), (771, 728559), (1437, 390897), (1521, 369309), (2313, 242853), (3341, 168129), (4311, 130299), (4563, 123103), (6227, 90207), (6939, 80951), (10023, 56043), (12933, 43433), (18681, 30069)]