30909905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11059}}^1$

素因数の和:11120

約数の個数: 16

約数和(自身を含む): 40877760

約数和(自身を除く): 9967855

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 11059, 55295, 143767, 475537, 718835, 2377685, 6181981, 30909905]

約数ペア:

[(1, 30909905), (5, 6181981), (13, 2377685), (43, 718835), (65, 475537), (215, 143767), (559, 55295), (2795, 11059)]