8561295

素因数分解:

$3^4\times 5^1\times {\mathrm{21139}}^1$

素因数の和:21156

約数の個数: 20

約数和(自身を含む): 15347640

約数和(自身を除く): 6786345

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 21139, 63417, 105695, 190251, 317085, 570753, 951255, 1712259, 2853765, 8561295]

約数ペア:

[(1, 8561295), (3, 2853765), (5, 1712259), (9, 951255), (15, 570753), (27, 317085), (45, 190251), (81, 105695), (135, 63417), (405, 21139)]