28307937

素因数分解:

$3^1\times 7^2\times {\mathrm{192571}}^1$

素因数の和:192588

約数の個数: 12

約数和(自身を含む): 43906416

約数和(自身を除く): 15598479

約数列:

[1, 3, 7, 21, 49, 147, 192571, 577713, 1347997, 4043991, 9435979, 28307937]

約数ペア:

[(1, 28307937), (3, 9435979), (7, 4043991), (21, 1347997), (49, 577713), (147, 192571)]