18135411

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 28976640

約数和(自身を除く): 10841229

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 291, 307, 609, 679, 921, 2037, 2149, 2813, 6447, 8439, 8903, 19691, 26709, 29779, 59073, 62321, 89337, 186963, 208453, 625359, 863591, 2590773, 6045137, 18135411]

約数ペア:

[(1, 18135411), (3, 6045137), (7, 2590773), (21, 863591), (29, 625359), (87, 208453), (97, 186963), (203, 89337), (291, 62321), (307, 59073), (609, 29779), (679, 26709), (921, 19691), (2037, 8903), (2149, 8439), (2813, 6447)]