199470981

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1\times {\mathrm{821}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 269089920

約数和(自身を除く): 69618939

約数列:

[1, 3, 109, 327, 743, 821, 2229, 2463, 80987, 89489, 242961, 268467, 610003, 1830009, 66490327, 199470981]

約数ペア:

[(1, 199470981), (3, 66490327), (109, 1830009), (327, 610003), (743, 268467), (821, 242961), (2229, 89489), (2463, 80987)]