28555869

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 41890176

約数和(自身を除く): 13334307

約数列:

[1, 3, 17, 51, 61, 67, 137, 183, 201, 411, 1037, 1139, 2329, 3111, 3417, 4087, 6987, 8357, 9179, 12261, 25071, 27537, 69479, 142069, 156043, 208437, 426207, 468129, 559919, 1679757, 9518623, 28555869]

約数ペア:

[(1, 28555869), (3, 9518623), (17, 1679757), (51, 559919), (61, 468129), (67, 426207), (137, 208437), (183, 156043), (201, 142069), (411, 69479), (1037, 27537), (1139, 25071), (2329, 12261), (3111, 9179), (3417, 8357), (4087, 6987)]