17945793

素因数分解:

$3^6\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 28

約数和(自身を含む): 27281280

約数和(自身を除く): 9335487

約数列:

[1, 3, 9, 27, 81, 103, 239, 243, 309, 717, 729, 927, 2151, 2781, 6453, 8343, 19359, 24617, 25029, 58077, 73851, 75087, 174231, 221553, 664659, 1993977, 5981931, 17945793]

約数ペア:

[(1, 17945793), (3, 5981931), (9, 1993977), (27, 664659), (81, 221553), (103, 174231), (239, 75087), (243, 73851), (309, 58077), (717, 25029), (729, 24617), (927, 19359), (2151, 8343), (2781, 6453)]