65598255

素因数分解:

$3^4\times 5^1\times {\mathrm{161971}}^1$

素因数の和:161988

約数の個数: 20

約数和(自身を含む): 117591672

約数和(自身を除く): 51993417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 161971, 485913, 809855, 1457739, 2429565, 4373217, 7288695, 13119651, 21866085, 65598255]

約数ペア:

[(1, 65598255), (3, 21866085), (5, 13119651), (9, 7288695), (15, 4373217), (27, 2429565), (45, 1457739), (81, 809855), (135, 485913), (405, 161971)]