811700757

素因数分解:

$3^4\times 7^1\times {\mathrm{1431571}}^1$

素因数の和:1431590

約数の個数: 20

約数和(自身を含む): 1385761696

約数和(自身を除く): 574060939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1431571, 4294713, 10020997, 12884139, 30062991, 38652417, 90188973, 115957251, 270566919, 811700757]

約数ペア:

[(1, 811700757), (3, 270566919), (7, 115957251), (9, 90188973), (21, 38652417), (27, 30062991), (63, 12884139), (81, 10020997), (189, 4294713), (567, 1431571)]