28272705

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{22709}}^1$

素因数の和:22800

約数の個数: 16

約数和(自身を含む): 45783360

約数和(自身を除く): 17510655

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 22709, 68127, 113545, 340635, 1884847, 5654541, 9424235, 28272705]

約数ペア:

[(1, 28272705), (3, 9424235), (5, 5654541), (15, 1884847), (83, 340635), (249, 113545), (415, 68127), (1245, 22709)]