28282215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145037}}^1$

素因数の和:145058

約数の個数: 16

約数和(自身を含む): 48732768

約数和(自身を除く): 20450553

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 145037, 435111, 725185, 1885481, 2175555, 5656443, 9427405, 28282215]

約数ペア:

[(1, 28282215), (3, 9427405), (5, 5656443), (13, 2175555), (15, 1885481), (39, 725185), (65, 435111), (195, 145037)]