28989885

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14107}}^1$

素因数の和:14252

約数の個数: 16

約数和(自身を含む): 46725696

約数和(自身を除く): 17735811

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 14107, 42321, 70535, 211605, 1932659, 5797977, 9663295, 28989885]

約数ペア:

[(1, 28989885), (3, 9663295), (5, 5797977), (15, 1932659), (137, 211605), (411, 70535), (685, 42321), (2055, 14107)]