56978991

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{29723}}^1$

素因数の和:29803

約数の個数: 16

約数和(自身を含む): 85605120

約数和(自身を除く): 28626129

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 29723, 89169, 267507, 802521, 2110333, 6330999, 18992997, 56978991]

約数ペア:

[(1, 56978991), (3, 18992997), (9, 6330999), (27, 2110333), (71, 802521), (213, 267507), (639, 89169), (1917, 29723)]