90212409

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33301}}^1$

素因数の和:33357

約数の個数: 24

約数和(自身を含む): 152389952

約数和(自身を除く): 62177543

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 33301, 99903, 233107, 299709, 699321, 1431943, 2097963, 4295829, 10023601, 12887487, 30070803, 90212409]

約数ペア:

[(1, 90212409), (3, 30070803), (7, 12887487), (9, 10023601), (21, 4295829), (43, 2097963), (63, 1431943), (129, 699321), (301, 299709), (387, 233107), (903, 99903), (2709, 33301)]