203209623

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20887}}^1$

素因数の和:20963

約数の個数: 24

約数和(自身を含む): 312818688

約数和(自身を除く): 109609065

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729, 20887, 62661, 187983, 480401, 981689, 1441203, 2945067, 4323609, 8835201, 22578847, 67736541, 203209623]

約数ペア:

[(1, 203209623), (3, 67736541), (9, 22578847), (23, 8835201), (47, 4323609), (69, 2945067), (141, 1441203), (207, 981689), (423, 480401), (1081, 187983), (3243, 62661), (9729, 20887)]