15121567215

素因数分解:

$3^4\times 5^1\times {\mathrm{37337203}}^1$

素因数の和:37337220

約数の個数: 20

約数和(自身を含む): 27106810104

約数和(自身を除く): 11985242889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 37337203, 112011609, 186686015, 336034827, 560058045, 1008104481, 1680174135, 3024313443, 5040522405, 15121567215]

約数ペア:

[(1, 15121567215), (3, 5040522405), (5, 3024313443), (9, 1680174135), (15, 1008104481), (27, 560058045), (45, 336034827), (81, 186686015), (135, 112011609), (405, 37337203)]