18020331

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9227}}^1$

素因数の和:9271

約数の個数: 24

約数和(自身を含む): 30710784

約数和(自身を除く): 12690453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9227, 27681, 64589, 83043, 193767, 286037, 581301, 858111, 2002259, 2574333, 6006777, 18020331]

約数ペア:

[(1, 18020331), (3, 6006777), (7, 2574333), (9, 2002259), (21, 858111), (31, 581301), (63, 286037), (93, 193767), (217, 83043), (279, 64589), (651, 27681), (1953, 9227)]