81978393

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{95213}}^1$

素因数の和:95264

約数の個数: 16

約数和(自身を含む): 127967616

約数和(自身を除く): 45989223

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 95213, 285639, 666491, 1999473, 3903733, 11711199, 27326131, 81978393]

約数ペア:

[(1, 81978393), (3, 27326131), (7, 11711199), (21, 3903733), (41, 1999473), (123, 666491), (287, 285639), (861, 95213)]