27561951

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{17909}}^1$

素因数の和:17940

約数の個数: 20

約数和(自身を含む): 43342200

約数和(自身を除く): 15780249

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 17909, 53727, 161181, 340271, 483543, 1020813, 1450629, 3062439, 9187317, 27561951]

約数ペア:

[(1, 27561951), (3, 9187317), (9, 3062439), (19, 1450629), (27, 1020813), (57, 483543), (81, 340271), (171, 161181), (513, 53727), (1539, 17909)]