31283253

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20327}}^1$

素因数の和:20358

約数の個数: 20

約数和(自身を含む): 49193760

約数和(自身を除く): 17910507

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20327, 60981, 182943, 386213, 548829, 1158639, 1646487, 3475917, 10427751, 31283253]

約数ペア:

[(1, 31283253), (3, 10427751), (9, 3475917), (19, 1646487), (27, 1158639), (57, 548829), (81, 386213), (171, 182943), (513, 60981), (1539, 20327)]