201747021

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 312990720

約数和(自身を除く): 111243699

約数列:

[1, 3, 7, 21, 83, 249, 283, 409, 581, 849, 1227, 1743, 1981, 2863, 5943, 8589, 23489, 33947, 70467, 101841, 115747, 164423, 237629, 347241, 493269, 712887, 810229, 2430687, 9607001, 28821003, 67249007, 201747021]

約数ペア:

[(1, 201747021), (3, 67249007), (7, 28821003), (21, 9607001), (83, 2430687), (249, 810229), (283, 712887), (409, 493269), (581, 347241), (849, 237629), (1227, 164423), (1743, 115747), (1981, 101841), (2863, 70467), (5943, 33947), (8589, 23489)]