72721881

素因数分解:

$3^5\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 109767840

約数和(自身を除く): 37045959

約数列:

[1, 3, 9, 27, 81, 139, 243, 417, 1251, 2153, 3753, 6459, 11259, 19377, 33777, 58131, 174393, 299267, 523179, 897801, 2693403, 8080209, 24240627, 72721881]

約数ペア:

[(1, 72721881), (3, 24240627), (9, 8080209), (27, 2693403), (81, 897801), (139, 523179), (243, 299267), (417, 174393), (1251, 58131), (2153, 33777), (3753, 19377), (6459, 11259)]