27981303

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11197}}^1$

素因数の和:11231

約数の個数: 24

約数和(自身を含む): 45956592

約数和(自身を除く): 17975289

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11197, 33591, 78379, 190349, 235137, 548653, 571047, 1332443, 1645959, 3997329, 9327101, 27981303]

約数ペア:

[(1, 27981303), (3, 9327101), (7, 3997329), (17, 1645959), (21, 1332443), (49, 571047), (51, 548653), (119, 235137), (147, 190349), (357, 78379), (833, 33591), (2499, 11197)]