28966905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 55298880

約数和(自身を除く): 26331975

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 139, 165, 417, 421, 495, 695, 1251, 1263, 1529, 2085, 2105, 3789, 4587, 4631, 6255, 6315, 7645, 13761, 13893, 18945, 22935, 23155, 41679, 58519, 68805, 69465, 175557, 208395, 292595, 526671, 643709, 877785, 1931127, 2633355, 3218545, 5793381, 9655635, 28966905]

約数ペア:

[(1, 28966905), (3, 9655635), (5, 5793381), (9, 3218545), (11, 2633355), (15, 1931127), (33, 877785), (45, 643709), (55, 526671), (99, 292595), (139, 208395), (165, 175557), (417, 69465), (421, 68805), (495, 58519), (695, 41679), (1251, 23155), (1263, 22935), (1529, 18945), (2085, 13893), (2105, 13761), (3789, 7645), (4587, 6315), (4631, 6255)]