2884005

素因数分解:

$3^4\times 5^1\times {\mathrm{7121}}^1$

素因数の和:7138

約数の個数: 20

約数和(自身を含む): 5170572

約数和(自身を除く): 2286567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7121, 21363, 35605, 64089, 106815, 192267, 320445, 576801, 961335, 2884005]

約数ペア:

[(1, 2884005), (3, 961335), (5, 576801), (9, 320445), (15, 192267), (27, 106815), (45, 64089), (81, 35605), (135, 21363), (405, 7121)]