18200115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 34358688

約数和(自身を除く): 16158573

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 555, 629, 643, 765, 1665, 1887, 1929, 3145, 3215, 5661, 5787, 9435, 9645, 10931, 23791, 28305, 28935, 32793, 54655, 71373, 98379, 118955, 163965, 214119, 356865, 404447, 491895, 1070595, 1213341, 2022235, 3640023, 6066705, 18200115]

約数ペア:

[(1, 18200115), (3, 6066705), (5, 3640023), (9, 2022235), (15, 1213341), (17, 1070595), (37, 491895), (45, 404447), (51, 356865), (85, 214119), (111, 163965), (153, 118955), (185, 98379), (255, 71373), (333, 54655), (555, 32793), (629, 28935), (643, 28305), (765, 23791), (1665, 10931), (1887, 9645), (1929, 9435), (3145, 5787), (3215, 5661)]