13040223

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 20706048

約数和(自身を除く): 7665825

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2063, 2107, 6189, 6321, 14441, 43323, 88709, 101087, 266127, 303261, 620963, 1862889, 4346741, 13040223]

約数ペア:

[(1, 13040223), (3, 4346741), (7, 1862889), (21, 620963), (43, 303261), (49, 266127), (129, 101087), (147, 88709), (301, 43323), (903, 14441), (2063, 6321), (2107, 6189)]