1280493927

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 2091925440

約数和(自身を除く): 811431513

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 137, 173, 207, 261, 411, 519, 621, 667, 783, 1233, 1557, 1863, 2001, 2349, 3151, 3699, 3973, 3979, 4671, 5017, 6003, 9453, 11097, 11919, 11937, 14013, 15051, 18009, 23701, 28359, 35757, 35811, 45153, 54027, 71103, 85077, 91379, 107271, 107433, 115391, 135459, 213309, 255231, 274137, 321813, 322299, 346173, 406377, 545123, 639927, 687329, 822411, 1038519, 1635369, 1919781, 2061987, 2467233, 3115557, 4906107, 6185961, 7401699, 9346671, 14718321, 15808567, 18557883, 44154963, 47425701, 55673649, 142277103, 426831309, 1280493927]

約数ペア:

[(1, 1280493927), (3, 426831309), (9, 142277103), (23, 55673649), (27, 47425701), (29, 44154963), (69, 18557883), (81, 15808567), (87, 14718321), (137, 9346671), (173, 7401699), (207, 6185961), (261, 4906107), (411, 3115557), (519, 2467233), (621, 2061987), (667, 1919781), (783, 1635369), (1233, 1038519), (1557, 822411), (1863, 687329), (2001, 639927), (2349, 545123), (3151, 406377), (3699, 346173), (3973, 322299), (3979, 321813), (4671, 274137), (5017, 255231), (6003, 213309), (9453, 135459), (11097, 115391), (11919, 107433), (11937, 107271), (14013, 91379), (15051, 85077), (18009, 71103), (23701, 54027), (28359, 45153), (35757, 35811)]