8347617

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:670

約数の個数: 20

約数和(自身を含む): 12549636

約数和(自身を除く): 4202019

約数列:

[1, 3, 9, 27, 81, 257, 401, 771, 1203, 2313, 3609, 6939, 10827, 20817, 32481, 103057, 309171, 927513, 2782539, 8347617]

約数ペア:

[(1, 8347617), (3, 2782539), (9, 927513), (27, 309171), (81, 103057), (257, 32481), (401, 20817), (771, 10827), (1203, 6939), (2313, 3609)]