288520281

素因数分解:

$3^2\times 7^3\times {\mathrm{93463}}^1$

素因数の和:93490

約数の個数: 24

約数和(自身を含む): 486012800

約数和(自身を除く): 197492519

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 93463, 280389, 654241, 841167, 1962723, 4579687, 5888169, 13739061, 32057809, 41217183, 96173427, 288520281]

約数ペア:

[(1, 288520281), (3, 96173427), (7, 41217183), (9, 32057809), (21, 13739061), (49, 5888169), (63, 4579687), (147, 1962723), (343, 841167), (441, 654241), (1029, 280389), (3087, 93463)]