28100385

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1277}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 50302080

約数和(自身を除く): 22201695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1277, 1467, 2445, 3831, 4401, 6385, 7335, 11493, 19155, 22005, 34479, 57465, 172395, 208151, 624453, 1040755, 1873359, 3122265, 5620077, 9366795, 28100385]

約数ペア:

[(1, 28100385), (3, 9366795), (5, 5620077), (9, 3122265), (15, 1873359), (27, 1040755), (45, 624453), (135, 208151), (163, 172395), (489, 57465), (815, 34479), (1277, 22005), (1467, 19155), (2445, 11493), (3831, 7335), (4401, 6385)]