28287645

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{22721}}^1$

素因数の和:22812

約数の個数: 16

約数和(自身を含む): 45807552

約数和(自身を除く): 17519907

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 22721, 68163, 113605, 340815, 1885843, 5657529, 9429215, 28287645]

約数ペア:

[(1, 28287645), (3, 9429215), (5, 5657529), (15, 1885843), (83, 340815), (249, 113605), (415, 68163), (1245, 22721)]