204558417

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{17939}}^1$

素因数の和:18133

約数の個数: 24

約数和(自身を含む): 339568320

約数和(自身を除く): 135009903

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 17939, 53817, 125573, 161451, 376719, 1130157, 3246959, 9740877, 22728713, 29222631, 68186139, 204558417]

約数ペア:

[(1, 204558417), (3, 68186139), (7, 29222631), (9, 22728713), (21, 9740877), (63, 3246959), (181, 1130157), (543, 376719), (1267, 161451), (1629, 125573), (3801, 53817), (11403, 17939)]