201997040787

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{15299329}}^1$

素因数の和:15299504

約数の個数: 20

約数和(自身を含む): 303599904520

約数和(自身を除く): 101602863733

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 15299329, 45897987, 137693961, 413081883, 1239245649, 2493790627, 7481371881, 22444115643, 67332346929, 201997040787]

約数ペア:

[(1, 201997040787), (3, 67332346929), (9, 22444115643), (27, 7481371881), (81, 2493790627), (163, 1239245649), (489, 413081883), (1467, 137693961), (4401, 45897987), (13203, 15299329)]