15087639

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 23565168

約数和(自身を除く): 8477529

約数列:

[1, 3, 7, 21, 49, 147, 197, 521, 591, 1379, 1563, 3647, 4137, 9653, 10941, 25529, 28959, 76587, 102637, 307911, 718459, 2155377, 5029213, 15087639]

約数ペア:

[(1, 15087639), (3, 5029213), (7, 2155377), (21, 718459), (49, 307911), (147, 102637), (197, 76587), (521, 28959), (591, 25529), (1379, 10941), (1563, 9653), (3647, 4137)]