1140489

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 1931072

約数和(自身を除く): 790583

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 421, 903, 1263, 2709, 2947, 3789, 8841, 18103, 26523, 54309, 126721, 162927, 380163, 1140489]

約数ペア:

[(1, 1140489), (3, 380163), (7, 162927), (9, 126721), (21, 54309), (43, 26523), (63, 18103), (129, 8841), (301, 3789), (387, 2947), (421, 2709), (903, 1263)]