8021643

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 12550032

約数和(自身を除く): 4528389

約数列:

[1, 3, 7, 21, 49, 147, 197, 277, 591, 831, 1379, 1939, 4137, 5817, 9653, 13573, 28959, 40719, 54569, 163707, 381983, 1145949, 2673881, 8021643]

約数ペア:

[(1, 8021643), (3, 2673881), (7, 1145949), (21, 381983), (49, 163707), (147, 54569), (197, 40719), (277, 28959), (591, 13573), (831, 9653), (1379, 5817), (1939, 4137)]