31347729

素因数分解:

$3^6\times 7^1\times {\mathrm{6143}}^1$

素因数の和:6168

約数の個数: 28

約数和(自身を含む): 53723136

約数和(自身を除く): 22375407

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 6143, 18429, 43001, 55287, 129003, 165861, 387009, 497583, 1161027, 1492749, 3483081, 4478247, 10449243, 31347729]

約数ペア:

[(1, 31347729), (3, 10449243), (7, 4478247), (9, 3483081), (21, 1492749), (27, 1161027), (63, 497583), (81, 387009), (189, 165861), (243, 129003), (567, 55287), (729, 43001), (1701, 18429), (5103, 6143)]