15665980689

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{312451}}^1$

素因数の和:313082

約数の個数: 20

約数和(自身を含む): 23440149040

約数和(自身を除く): 7774168351

約数列:

[1, 3, 9, 27, 81, 619, 1857, 5571, 16713, 50139, 312451, 937353, 2812059, 8436177, 25308531, 193407169, 580221507, 1740664521, 5221993563, 15665980689]

約数ペア:

[(1, 15665980689), (3, 5221993563), (9, 1740664521), (27, 580221507), (81, 193407169), (619, 25308531), (1857, 8436177), (5571, 2812059), (16713, 937353), (50139, 312451)]