16687215

素因数分解:

$3^4\times 5^1\times {\mathrm{41203}}^1$

素因数の和:41220

約数の個数: 20

約数和(自身を含む): 29914104

約数和(自身を除く): 13226889

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41203, 123609, 206015, 370827, 618045, 1112481, 1854135, 3337443, 5562405, 16687215]

約数ペア:

[(1, 16687215), (3, 5562405), (5, 3337443), (9, 1854135), (15, 1112481), (27, 618045), (45, 370827), (81, 206015), (135, 123609), (405, 41203)]