55747521

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{1321}}^1$

素因数の和:1854

約数の個数: 20

約数和(自身を含む): 83500164

約数和(自身を除く): 27752643

約数列:

[1, 3, 9, 27, 81, 521, 1321, 1563, 3963, 4689, 11889, 14067, 35667, 42201, 107001, 688241, 2064723, 6194169, 18582507, 55747521]

約数ペア:

[(1, 55747521), (3, 18582507), (9, 6194169), (27, 2064723), (81, 688241), (521, 107001), (1321, 42201), (1563, 35667), (3963, 14067), (4689, 11889)]