31385529

素因数分解:

$3^3\times 7^3\times {\mathrm{3389}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 54240000

約数和(自身を除く): 22854471

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 3389, 9261, 10167, 23723, 30501, 71169, 91503, 166061, 213507, 498183, 640521, 1162427, 1494549, 3487281, 4483647, 10461843, 31385529]

約数ペア:

[(1, 31385529), (3, 10461843), (7, 4483647), (9, 3487281), (21, 1494549), (27, 1162427), (49, 640521), (63, 498183), (147, 213507), (189, 166061), (343, 91503), (441, 71169), (1029, 30501), (1323, 23723), (3087, 10167), (3389, 9261)]