9989231

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 12435840

約数和(自身を除く): 2446609

約数列:

[1, 7, 19, 59, 67, 133, 361, 413, 469, 1121, 1273, 2527, 3953, 7847, 8911, 21299, 24187, 27671, 75107, 149093, 169309, 525749, 1427033, 9989231]

約数ペア:

[(1, 9989231), (7, 1427033), (19, 525749), (59, 169309), (67, 149093), (133, 75107), (361, 27671), (413, 24187), (469, 21299), (1121, 8911), (1273, 7847), (2527, 3953)]