205239741

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9041}}^1$

素因数の和:9121

約数の個数: 32

約数和(自身を含む): 333324288

約数和(自身を除く): 128084547

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3243, 7567, 9041, 22701, 27123, 63287, 189861, 207943, 424927, 623829, 1274781, 1455601, 2974489, 4366803, 8923467, 9773321, 29319963, 68413247, 205239741]

約数ペア:

[(1, 205239741), (3, 68413247), (7, 29319963), (21, 9773321), (23, 8923467), (47, 4366803), (69, 2974489), (141, 1455601), (161, 1274781), (329, 623829), (483, 424927), (987, 207943), (1081, 189861), (3243, 63287), (7567, 27123), (9041, 22701)]