138352823

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 20

約数和(自身を含む): 167051640

約数和(自身を除く): 28698817

約数列:

[1, 7, 29, 49, 203, 343, 1421, 1987, 2401, 9947, 13909, 57623, 69629, 97363, 403361, 681541, 2823527, 4770787, 19764689, 138352823]

約数ペア:

[(1, 138352823), (7, 19764689), (29, 4770787), (49, 2823527), (203, 681541), (343, 403361), (1421, 97363), (1987, 69629), (2401, 57623), (9947, 13909)]