397488921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1\times {\mathrm{4657}}^1$

素因数の和:5920

約数の個数: 16

約数和(自身を含む): 553593984

約数和(自身を除く): 156105063

約数列:

[1, 3, 23, 69, 1237, 3711, 4657, 13971, 28451, 85353, 107111, 321333, 5760709, 17282127, 132496307, 397488921]

約数ペア:

[(1, 397488921), (3, 132496307), (23, 17282127), (69, 5760709), (1237, 321333), (3711, 107111), (4657, 85353), (13971, 28451)]