1572809481

素因数分解:

$3^9\times {\mathrm{79907}}^1$

素因数の和:79934

約数の個数: 20

約数和(自身を含む): 2359203792

約数和(自身を除く): 786394311

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 79907, 239721, 719163, 2157489, 6472467, 19417401, 58252203, 174756609, 524269827, 1572809481]

約数ペア:

[(1, 1572809481), (3, 524269827), (9, 174756609), (27, 58252203), (81, 19417401), (243, 6472467), (729, 2157489), (2187, 719163), (6561, 239721), (19683, 79907)]