128220651

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 212625504

約数和(自身を除く): 84404853

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 999, 1053, 1097, 1443, 2997, 3159, 3291, 4329, 8991, 9873, 12987, 14261, 29619, 38961, 40589, 42783, 88857, 116883, 121767, 128349, 266571, 365301, 385047, 527657, 1095903, 1155141, 1582971, 3287709, 3465423, 4748913, 9863127, 14246739, 42740217, 128220651]

約数ペア:

[(1, 128220651), (3, 42740217), (9, 14246739), (13, 9863127), (27, 4748913), (37, 3465423), (39, 3287709), (81, 1582971), (111, 1155141), (117, 1095903), (243, 527657), (333, 385047), (351, 365301), (481, 266571), (999, 128349), (1053, 121767), (1097, 116883), (1443, 88857), (2997, 42783), (3159, 40589), (3291, 38961), (4329, 29619), (8991, 14261), (9873, 12987)]