65605905

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16381}}^1$

素因数の和:16481

約数の個数: 24

約数和(自身を含む): 115001640

約数和(自身を除く): 49395735

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 16381, 49143, 81905, 147429, 245715, 737145, 1457909, 4373727, 7289545, 13121181, 21868635, 65605905]

約数ペア:

[(1, 65605905), (3, 21868635), (5, 13121181), (9, 7289545), (15, 4373727), (45, 1457909), (89, 737145), (267, 245715), (445, 147429), (801, 81905), (1335, 49143), (4005, 16381)]