42740217

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 70680456

約数和(自身を除く): 27940239

約数列:

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

約数ペア:

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