40245219

素因数分解:

$3^2\times 7^3\times {\mathrm{13037}}^1$

素因数の和:13064

約数の個数: 24

約数和(自身を含む): 67797600

約数和(自身を除く): 27552381

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 13037, 39111, 91259, 117333, 273777, 638813, 821331, 1916439, 4471691, 5749317, 13415073, 40245219]

約数ペア:

[(1, 40245219), (3, 13415073), (7, 5749317), (9, 4471691), (21, 1916439), (49, 821331), (63, 638813), (147, 273777), (343, 117333), (441, 91259), (1029, 39111), (3087, 13037)]