12111113

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 14931840

約数和(自身を除く): 2820727

約数列:

[1, 7, 19, 41, 133, 287, 779, 2221, 5453, 15547, 42199, 91061, 295393, 637427, 1730159, 12111113]

約数ペア:

[(1, 12111113), (7, 1730159), (19, 637427), (41, 295393), (133, 91061), (287, 42199), (779, 15547), (2221, 5453)]