30640209

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 43797600

約数和(自身を除く): 13157391

約数列:

[1, 3, 23, 43, 69, 129, 449, 529, 989, 1347, 1587, 2967, 10327, 19307, 22747, 30981, 57921, 68241, 237521, 444061, 712563, 1332183, 10213403, 30640209]

約数ペア:

[(1, 30640209), (3, 10213403), (23, 1332183), (43, 712563), (69, 444061), (129, 237521), (449, 68241), (529, 57921), (989, 30981), (1347, 22747), (1587, 19307), (2967, 10327)]