7890291

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3400

約数の個数: 20

約数和(自身を含む): 12196800

約数和(自身を除く): 4306509

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 3359, 10077, 30231, 90693, 97411, 272079, 292233, 876699, 2630097, 7890291]

約数ペア:

[(1, 7890291), (3, 2630097), (9, 876699), (27, 292233), (29, 272079), (81, 97411), (87, 90693), (261, 30231), (783, 10077), (2349, 3359)]