211372011

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{35747}}^1$

素因数の和:35832

約数の個数: 20

約数和(自身を含む): 320087592

約数和(自身を除く): 108715581

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 35747, 107241, 321723, 965169, 2609531, 2895507, 7828593, 23485779, 70457337, 211372011]

約数ペア:

[(1, 211372011), (3, 70457337), (9, 23485779), (27, 7828593), (73, 2895507), (81, 2609531), (219, 965169), (657, 321723), (1971, 107241), (5913, 35747)]