80554095

素因数分解:

$3^4\times 5^1\times {\mathrm{198899}}^1$

素因数の和:198916

約数の個数: 20

約数和(自身を含む): 144401400

約数和(自身を除く): 63847305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198899, 596697, 994495, 1790091, 2983485, 5370273, 8950455, 16110819, 26851365, 80554095]

約数ペア:

[(1, 80554095), (3, 26851365), (5, 16110819), (9, 8950455), (15, 5370273), (27, 2983485), (45, 1790091), (81, 994495), (135, 596697), (405, 198899)]