2247657255

素因数分解:

$3^4\times 5^1\times {\mathrm{5549771}}^1$

素因数の和:5549788

約数の個数: 20

約数和(自身を含む): 4029134472

約数和(自身を除く): 1781477217

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5549771, 16649313, 27748855, 49947939, 83246565, 149843817, 249739695, 449531451, 749219085, 2247657255]

約数ペア:

[(1, 2247657255), (3, 749219085), (5, 449531451), (9, 249739695), (15, 149843817), (27, 83246565), (45, 49947939), (81, 27748855), (135, 16649313), (405, 5549771)]