1982001

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 3128160

約数和(自身を除く): 1146159

約数列:

[1, 3, 7, 21, 49, 97, 139, 147, 291, 417, 679, 973, 2037, 2919, 4753, 6811, 13483, 14259, 20433, 40449, 94381, 283143, 660667, 1982001]

約数ペア:

[(1, 1982001), (3, 660667), (7, 283143), (21, 94381), (49, 40449), (97, 20433), (139, 14259), (147, 13483), (291, 6811), (417, 4753), (679, 2919), (973, 2037)]