56405997

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{9901}}^1$

素因数の和:10121

約数の個数: 16

約数和(自身を含む): 83968960

約数和(自身を除く): 27562963

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5697, 9901, 29703, 89109, 267327, 2089111, 6267333, 18801999, 56405997]

約数ペア:

[(1, 56405997), (3, 18801999), (9, 6267333), (27, 2089111), (211, 267327), (633, 89109), (1899, 29703), (5697, 9901)]