213561909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{8951}}^1$

素因数の和:9209

約数の個数: 24

約数和(自身を含む): 337955904

約数和(自身を除く): 124393995

約数列:

[1, 3, 9, 11, 33, 99, 241, 723, 2169, 2651, 7953, 8951, 23859, 26853, 80559, 98461, 295383, 886149, 2157191, 6471573, 19414719, 23729101, 71187303, 213561909]

約数ペア:

[(1, 213561909), (3, 71187303), (9, 23729101), (11, 19414719), (33, 6471573), (99, 2157191), (241, 886149), (723, 295383), (2169, 98461), (2651, 80559), (7953, 26853), (8951, 23859)]