28977777

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 15950223

約数列:

[1, 3, 9, 27, 31, 89, 93, 267, 279, 389, 801, 837, 1167, 2403, 2759, 3501, 8277, 10503, 12059, 24831, 34621, 36177, 74493, 103863, 108531, 311589, 325593, 934767, 1073251, 3219753, 9659259, 28977777]

約数ペア:

[(1, 28977777), (3, 9659259), (9, 3219753), (27, 1073251), (31, 934767), (89, 325593), (93, 311589), (267, 108531), (279, 103863), (389, 74493), (801, 36177), (837, 34621), (1167, 24831), (2403, 12059), (2759, 10503), (3501, 8277)]