30990505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68111}}^1$

素因数の和:68136

約数の個数: 16

約数和(自身を含む): 45771264

約数和(自身を除く): 14780759

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 68111, 340555, 476777, 885443, 2383885, 4427215, 6198101, 30990505]

約数ペア:

[(1, 30990505), (5, 6198101), (7, 4427215), (13, 2383885), (35, 885443), (65, 476777), (91, 340555), (455, 68111)]