1993977

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 20

約数和(自身を含む): 3020160

約数和(自身を除く): 1026183

約数列:

[1, 3, 9, 27, 81, 103, 239, 309, 717, 927, 2151, 2781, 6453, 8343, 19359, 24617, 73851, 221553, 664659, 1993977]

約数ペア:

[(1, 1993977), (3, 664659), (9, 221553), (27, 73851), (81, 24617), (103, 19359), (239, 8343), (309, 6453), (717, 2781), (927, 2151)]