1821295

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3061}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 2645568

約数和(自身を除く): 824273

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 3061, 15305, 21427, 52037, 107135, 260185, 364259, 1821295]

約数ペア:

[(1, 1821295), (5, 364259), (7, 260185), (17, 107135), (35, 52037), (85, 21427), (119, 15305), (595, 3061)]