209219895

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23131}}^1$

素因数の和:23212

約数の個数: 32

約数和(自身を含む): 377514240

約数和(自身を除く): 168294345

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 3015, 9045, 23131, 69393, 115655, 208179, 346965, 624537, 1040895, 1549777, 3122685, 4649331, 7748885, 13947993, 23246655, 41843979, 69739965, 209219895]

約数ペア:

[(1, 209219895), (3, 69739965), (5, 41843979), (9, 23246655), (15, 13947993), (27, 7748885), (45, 4649331), (67, 3122685), (135, 1549777), (201, 1040895), (335, 624537), (603, 346965), (1005, 208179), (1809, 115655), (3015, 69393), (9045, 23131)]