89281521

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3043

約数の個数: 40

約数和(自身を含む): 155352384

約数和(自身を除く): 66070863

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 2971, 3339, 4293, 8913, 10017, 20797, 26739, 30051, 62391, 80217, 157463, 187173, 240651, 472389, 561519, 1102241, 1417167, 1684557, 3306723, 4251501, 9920169, 12754503, 29760507, 89281521]

約数ペア:

[(1, 89281521), (3, 29760507), (7, 12754503), (9, 9920169), (21, 4251501), (27, 3306723), (53, 1684557), (63, 1417167), (81, 1102241), (159, 561519), (189, 472389), (371, 240651), (477, 187173), (567, 157463), (1113, 80217), (1431, 62391), (2971, 30051), (3339, 26739), (4293, 20797), (8913, 10017)]