389688321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2281}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 588865536

約数和(自身を除く): 199177215

約数列:

[1, 3, 11, 31, 33, 93, 167, 341, 501, 1023, 1837, 2281, 5177, 5511, 6843, 15531, 25091, 56947, 70711, 75273, 170841, 212133, 380927, 777821, 1142781, 2333463, 4190197, 11808737, 12570591, 35426211, 129896107, 389688321]

約数ペア:

[(1, 389688321), (3, 129896107), (11, 35426211), (31, 12570591), (33, 11808737), (93, 4190197), (167, 2333463), (341, 1142781), (501, 777821), (1023, 380927), (1837, 212133), (2281, 170841), (5177, 75273), (5511, 70711), (6843, 56947), (15531, 25091)]