30828861

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{857}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 51040704

約数和(自身を除く): 20211843

約数列:

[1, 3, 7, 9, 21, 63, 571, 857, 1713, 2571, 3997, 5139, 5999, 7713, 11991, 17997, 35973, 53991, 489347, 1468041, 3425429, 4404123, 10276287, 30828861]

約数ペア:

[(1, 30828861), (3, 10276287), (7, 4404123), (9, 3425429), (21, 1468041), (63, 489347), (571, 53991), (857, 35973), (1713, 17997), (2571, 11991), (3997, 7713), (5139, 5999)]