28385703

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 43037280

約数和(自身を除く): 14651577

約数列:

[1, 3, 9, 23, 69, 207, 241, 569, 723, 1707, 2169, 5121, 5543, 13087, 16629, 39261, 49887, 117783, 137129, 411387, 1234161, 3153967, 9461901, 28385703]

約数ペア:

[(1, 28385703), (3, 9461901), (9, 3153967), (23, 1234161), (69, 411387), (207, 137129), (241, 117783), (569, 49887), (723, 39261), (1707, 16629), (2169, 13087), (5121, 5543)]