40987989

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3371}}^1$

素因数の和:3577

約数の個数: 24

約数和(自身を含む): 68033472

約数和(自身を除く): 27045483

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 3371, 4053, 10113, 12159, 23597, 30339, 70791, 212373, 650603, 1951809, 4554221, 5855427, 13662663, 40987989]

約数ペア:

[(1, 40987989), (3, 13662663), (7, 5855427), (9, 4554221), (21, 1951809), (63, 650603), (193, 212373), (579, 70791), (1351, 30339), (1737, 23597), (3371, 12159), (4053, 10113)]