90478647

素因数分解:

$3^3\times 7^2\times {\mathrm{68389}}^1$

素因数の和:68412

約数の個数: 24

約数和(自身を含む): 155929200

約数和(自身を除く): 65450553

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 68389, 205167, 478723, 615501, 1436169, 1846503, 3351061, 4308507, 10053183, 12925521, 30159549, 90478647]

約数ペア:

[(1, 90478647), (3, 30159549), (7, 12925521), (9, 10053183), (21, 4308507), (27, 3351061), (49, 1846503), (63, 1436169), (147, 615501), (189, 478723), (441, 205167), (1323, 68389)]