216933535

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{68111}}^1$

素因数の和:68143

約数の個数: 24

約数和(自身を含む): 326120256

約数和(自身を除く): 109186721

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 68111, 340555, 476777, 885443, 2383885, 3337439, 4427215, 6198101, 16687195, 30990505, 43386707, 216933535]

約数ペア:

[(1, 216933535), (5, 43386707), (7, 30990505), (13, 16687195), (35, 6198101), (49, 4427215), (65, 3337439), (91, 2383885), (245, 885443), (455, 476777), (637, 340555), (3185, 68111)]