3988197

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:994

約数の個数: 20

約数和(自身を含む): 6076620

約数和(自身を除く): 2088423

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 929, 1431, 2787, 4293, 8361, 25083, 49237, 75249, 147711, 443133, 1329399, 3988197]

約数ペア:

[(1, 3988197), (3, 1329399), (9, 443133), (27, 147711), (53, 75249), (81, 49237), (159, 25083), (477, 8361), (929, 4293), (1431, 2787)]