31186539

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1272

約数の個数: 20

約数和(自身を含む): 46739880

約数和(自身を除く): 15553341

約数列:

[1, 3, 9, 27, 81, 521, 739, 1563, 2217, 4689, 6651, 14067, 19953, 42201, 59859, 385019, 1155057, 3465171, 10395513, 31186539]

約数ペア:

[(1, 31186539), (3, 10395513), (9, 3465171), (27, 1155057), (81, 385019), (521, 59859), (739, 42201), (1563, 19953), (2217, 14067), (4689, 6651)]