38997531

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{6781}}^1$

素因数の和:6864

約数の個数: 20

約数和(自身を含む): 59084784

約数和(自身を除く): 20087253

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 6781, 20343, 61029, 183087, 481451, 549261, 1444353, 4333059, 12999177, 38997531]

約数ペア:

[(1, 38997531), (3, 12999177), (9, 4333059), (27, 1444353), (71, 549261), (81, 481451), (213, 183087), (639, 61029), (1917, 20343), (5751, 6781)]