80686921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10663}}^1$

素因数の和:10740

約数の個数: 16

約数和(自身を含む): 98279424

約数和(自身を除く): 17592503

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 10663, 74641, 245249, 501161, 1716743, 3508127, 11526703, 80686921]

約数ペア:

[(1, 80686921), (7, 11526703), (23, 3508127), (47, 1716743), (161, 501161), (329, 245249), (1081, 74641), (7567, 10663)]