17992821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 30864512

約数和(自身を除く): 12871691

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 97, 121, 219, 231, 291, 363, 511, 679, 803, 847, 1067, 1533, 2037, 2409, 2541, 3201, 5621, 7081, 7469, 8833, 11737, 16863, 21243, 22407, 26499, 35211, 49567, 61831, 77891, 82159, 148701, 185493, 233673, 246477, 545237, 856801, 1635711, 2570403, 5997607, 17992821]

約数ペア:

[(1, 17992821), (3, 5997607), (7, 2570403), (11, 1635711), (21, 856801), (33, 545237), (73, 246477), (77, 233673), (97, 185493), (121, 148701), (219, 82159), (231, 77891), (291, 61831), (363, 49567), (511, 35211), (679, 26499), (803, 22407), (847, 21243), (1067, 16863), (1533, 11737), (2037, 8833), (2409, 7469), (2541, 7081), (3201, 5621)]