28247793

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{17027}}^1$

素因数の和:17116

約数の個数: 16

約数和(自身を含む): 43591680

約数和(自身を除く): 15343887

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 17027, 51081, 119189, 357567, 1345133, 4035399, 9415931, 28247793]

約数ペア:

[(1, 28247793), (3, 9415931), (7, 4035399), (21, 1345133), (79, 357567), (237, 119189), (553, 51081), (1659, 17027)]