13221405

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2909}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 23151960

約数和(自身を除く): 9930555

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 2909, 4545, 8727, 14545, 26181, 43635, 130905, 293809, 881427, 1469045, 2644281, 4407135, 13221405]

約数ペア:

[(1, 13221405), (3, 4407135), (5, 2644281), (9, 1469045), (15, 881427), (45, 293809), (101, 130905), (303, 43635), (505, 26181), (909, 14545), (1515, 8727), (2909, 4545)]