12856887

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 19439056

約数和(自身を除く): 6582169

約数列:

[1, 3, 9, 27, 81, 157, 243, 337, 471, 1011, 1413, 3033, 4239, 9099, 12717, 27297, 38151, 52909, 81891, 158727, 476181, 1428543, 4285629, 12856887]

約数ペア:

[(1, 12856887), (3, 4285629), (9, 1428543), (27, 476181), (81, 158727), (157, 81891), (243, 52909), (337, 38151), (471, 27297), (1011, 12717), (1413, 9099), (3033, 4239)]