18167787

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 30387840

約数和(自身を除く): 12220053

約数列:

[1, 3, 9, 11, 27, 33, 67, 83, 99, 121, 201, 249, 297, 363, 603, 737, 747, 913, 1089, 1809, 2211, 2241, 2739, 3267, 5561, 6633, 8107, 8217, 10043, 16683, 19899, 24321, 24651, 30129, 50049, 61171, 72963, 90387, 150147, 183513, 218889, 271161, 550539, 672881, 1651617, 2018643, 6055929, 18167787]

約数ペア:

[(1, 18167787), (3, 6055929), (9, 2018643), (11, 1651617), (27, 672881), (33, 550539), (67, 271161), (83, 218889), (99, 183513), (121, 150147), (201, 90387), (249, 72963), (297, 61171), (363, 50049), (603, 30129), (737, 24651), (747, 24321), (913, 19899), (1089, 16683), (1809, 10043), (2211, 8217), (2241, 8107), (2739, 6633), (3267, 5561)]