28757745

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4289}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 50193000

約数和(自身を除く): 21435255

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 4289, 6705, 12867, 21445, 38601, 64335, 193005, 639061, 1917183, 3195305, 5751549, 9585915, 28757745]

約数ペア:

[(1, 28757745), (3, 9585915), (5, 5751549), (9, 3195305), (15, 1917183), (45, 639061), (149, 193005), (447, 64335), (745, 38601), (1341, 21445), (2235, 12867), (4289, 6705)]