16199757

素因数分解:

$3^4\times 7^1\times {\mathrm{28571}}^1$

素因数の和:28590

約数の個数: 20

約数和(自身を含む): 27657696

約数和(自身を除く): 11457939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28571, 85713, 199997, 257139, 599991, 771417, 1799973, 2314251, 5399919, 16199757]

約数ペア:

[(1, 16199757), (3, 5399919), (7, 2314251), (9, 1799973), (21, 771417), (27, 599991), (63, 257139), (81, 199997), (189, 85713), (567, 28571)]