206522169

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{509}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 317603520

約数和(自身を除く): 111081351

約数列:

[1, 3, 7, 21, 139, 417, 509, 973, 1527, 2919, 3563, 10689, 19321, 57963, 70751, 135247, 212253, 405741, 495257, 1485771, 9834389, 29503167, 68840723, 206522169]

約数ペア:

[(1, 206522169), (3, 68840723), (7, 29503167), (21, 9834389), (139, 1485771), (417, 495257), (509, 405741), (973, 212253), (1527, 135247), (2919, 70751), (3563, 57963), (10689, 19321)]