80408991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{409}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 117394480

約数和(自身を除く): 36985489

約数列:

[1, 3, 13, 39, 71, 213, 409, 923, 1227, 2769, 5041, 5317, 15123, 15951, 29039, 65533, 87117, 196599, 377507, 1132521, 2061769, 6185307, 26802997, 80408991]

約数ペア:

[(1, 80408991), (3, 26802997), (13, 6185307), (39, 2061769), (71, 1132521), (213, 377507), (409, 196599), (923, 87117), (1227, 65533), (2769, 29039), (5041, 15951), (5317, 15123)]