20129877

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 28

約数和(自身を含む): 30809484

約数和(自身を除く): 10679607

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 521, 729, 1431, 1563, 4293, 4689, 12879, 14067, 27613, 38637, 42201, 82839, 126603, 248517, 379809, 745551, 2236653, 6709959, 20129877]

約数ペア:

[(1, 20129877), (3, 6709959), (9, 2236653), (27, 745551), (53, 379809), (81, 248517), (159, 126603), (243, 82839), (477, 42201), (521, 38637), (729, 27613), (1431, 14067), (1563, 12879), (4293, 4689)]