40209957

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4133}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 61910784

約数和(自身を除く): 21700827

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 4133, 9729, 12399, 37197, 95059, 194251, 285177, 582753, 855531, 1748259, 4467773, 13403319, 40209957]

約数ペア:

[(1, 40209957), (3, 13403319), (9, 4467773), (23, 1748259), (47, 855531), (69, 582753), (141, 285177), (207, 194251), (423, 95059), (1081, 37197), (3243, 12399), (4133, 9729)]