77915115

素因数分解:

$3^4\times 5^1\times {\mathrm{192383}}^1$

素因数の和:192400

約数の個数: 20

約数和(自身を含む): 139670784

約数和(自身を除く): 61755669

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 192383, 577149, 961915, 1731447, 2885745, 5194341, 8657235, 15583023, 25971705, 77915115]

約数ペア:

[(1, 77915115), (3, 25971705), (5, 15583023), (9, 8657235), (15, 5194341), (27, 2885745), (45, 1731447), (81, 961915), (135, 577149), (405, 192383)]