209122881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1847}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 315076608

約数和(自身を除く): 105953727

約数列:

[1, 3, 11, 33, 47, 73, 141, 219, 517, 803, 1551, 1847, 2409, 3431, 5541, 10293, 20317, 37741, 60951, 86809, 113223, 134831, 260427, 404493, 954899, 1483141, 2864697, 4449423, 6337057, 19011171, 69707627, 209122881]

約数ペア:

[(1, 209122881), (3, 69707627), (11, 19011171), (33, 6337057), (47, 4449423), (73, 2864697), (141, 1483141), (219, 954899), (517, 404493), (803, 260427), (1551, 134831), (1847, 113223), (2409, 86809), (3431, 60951), (5541, 37741), (10293, 20317)]