217949193

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{28591}}^1$

素因数の和:28626

約数の個数: 36

約数和(自身を含む): 395484544

約数和(自身を除く): 177535351

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 7623, 28591, 85773, 200137, 257319, 314501, 600411, 943503, 1801233, 2201507, 2830509, 3459511, 6604521, 10378533, 19813563, 24216577, 31135599, 72649731, 217949193]

約数ペア:

[(1, 217949193), (3, 72649731), (7, 31135599), (9, 24216577), (11, 19813563), (21, 10378533), (33, 6604521), (63, 3459511), (77, 2830509), (99, 2201507), (121, 1801233), (231, 943503), (363, 600411), (693, 314501), (847, 257319), (1089, 200137), (2541, 85773), (7623, 28591)]