15765205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 20805336

約数和(自身を除く): 5040131

約数列:

[1, 5, 17, 31, 85, 155, 193, 527, 961, 965, 2635, 3281, 4805, 5983, 16337, 16405, 29915, 81685, 101711, 185473, 508555, 927365, 3153041, 15765205]

約数ペア:

[(1, 15765205), (5, 3153041), (17, 927365), (31, 508555), (85, 185473), (155, 101711), (193, 81685), (527, 29915), (961, 16405), (965, 16337), (2635, 5983), (3281, 4805)]