68280435

素因数分解:

$3^3\times 5^1\times {\mathrm{505781}}^1$

素因数の和:505795

約数の個数: 16

約数和(自身を含む): 121387680

約数和(自身を除く): 53107245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 505781, 1517343, 2528905, 4552029, 7586715, 13656087, 22760145, 68280435]

約数ペア:

[(1, 68280435), (3, 22760145), (5, 13656087), (9, 7586715), (15, 4552029), (27, 2528905), (45, 1517343), (135, 505781)]