1779968115

素因数分解:

$3^4\times 5^1\times {\mathrm{4394983}}^1$

素因数の和:4395000

約数の個数: 20

約数和(自身を含む): 3190758384

約数和(自身を除く): 1410790269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4394983, 13184949, 21974915, 39554847, 65924745, 118664541, 197774235, 355993623, 593322705, 1779968115]

約数ペア:

[(1, 1779968115), (3, 593322705), (5, 355993623), (9, 197774235), (15, 118664541), (27, 65924745), (45, 39554847), (81, 21974915), (135, 13184949), (405, 4394983)]