1720780127

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 1996481088

約数和(自身を除く): 275700961

約数列:

[1, 11, 37, 41, 101, 407, 451, 1021, 1111, 1517, 3737, 4141, 11231, 16687, 37777, 41107, 41861, 45551, 103121, 153217, 415547, 460471, 1134331, 1548857, 1685387, 3815477, 4227961, 17037427, 41970247, 46507571, 156434557, 1720780127]

約数ペア:

[(1, 1720780127), (11, 156434557), (37, 46507571), (41, 41970247), (101, 17037427), (407, 4227961), (451, 3815477), (1021, 1685387), (1111, 1548857), (1517, 1134331), (3737, 460471), (4141, 415547), (11231, 153217), (16687, 103121), (37777, 45551), (41107, 41861)]