13521897

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1830

約数の個数: 20

約数和(自身を含む): 20419476

約数和(自身を除く): 6897579

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 1721, 2619, 5163, 7857, 15489, 46467, 139401, 166937, 500811, 1502433, 4507299, 13521897]

約数ペア:

[(1, 13521897), (3, 4507299), (9, 1502433), (27, 500811), (81, 166937), (97, 139401), (291, 46467), (873, 15489), (1721, 7857), (2619, 5163)]