28193571

素因数分解:

$3^2\times 7^3\times {\mathrm{9133}}^1$

素因数の和:9160

約数の個数: 24

約数和(自身を含む): 47496800

約数和(自身を除く): 19303229

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9133, 27399, 63931, 82197, 191793, 447517, 575379, 1342551, 3132619, 4027653, 9397857, 28193571]

約数ペア:

[(1, 28193571), (3, 9397857), (7, 4027653), (9, 3132619), (21, 1342551), (49, 575379), (63, 447517), (147, 191793), (343, 82197), (441, 63931), (1029, 27399), (3087, 9133)]