788058639

素因数分解:

$3^4\times {\mathrm{557}}^1\times {\mathrm{17467}}^1$

素因数の和:18036

約数の個数: 20

約数和(自身を含む): 1179404424

約数和(自身を除く): 391345785

約数列:

[1, 3, 9, 27, 81, 557, 1671, 5013, 15039, 17467, 45117, 52401, 157203, 471609, 1414827, 9729119, 29187357, 87562071, 262686213, 788058639]

約数ペア:

[(1, 788058639), (3, 262686213), (9, 87562071), (27, 29187357), (81, 9729119), (557, 1414827), (1671, 471609), (5013, 157203), (15039, 52401), (17467, 45117)]