10805805

素因数分解:

$3^4\times 5^1\times {\mathrm{26681}}^1$

素因数の和:26698

約数の個数: 20

約数和(自身を含む): 19371132

約数和(自身を除く): 8565327

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 26681, 80043, 133405, 240129, 400215, 720387, 1200645, 2161161, 3601935, 10805805]

約数ペア:

[(1, 10805805), (3, 3601935), (5, 2161161), (9, 1200645), (15, 720387), (27, 400215), (45, 240129), (81, 133405), (135, 80043), (405, 26681)]