28430241

素因数分解:

$3^1\times 7^4\times {\mathrm{3947}}^1$

素因数の和:3978

約数の個数: 20

約数和(自身を含む): 44233392

約数和(自身を除く): 15803151

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 3947, 7203, 11841, 27629, 82887, 193403, 580209, 1353821, 4061463, 9476747, 28430241]

約数ペア:

[(1, 28430241), (3, 9476747), (7, 4061463), (21, 1353821), (49, 580209), (147, 193403), (343, 82887), (1029, 27629), (2401, 11841), (3947, 7203)]