215682315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{4673}}^1$

素因数の和:4879

約数の個数: 32

約数和(自身を含む): 367488576

約数和(自身を除く): 151806261

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 2715, 3077, 4673, 9231, 14019, 15385, 23365, 46155, 70095, 79441, 238323, 397205, 845813, 1191615, 2537439, 4229065, 12687195, 14378821, 43136463, 71894105, 215682315]

約数ペア:

[(1, 215682315), (3, 71894105), (5, 43136463), (15, 14378821), (17, 12687195), (51, 4229065), (85, 2537439), (181, 1191615), (255, 845813), (543, 397205), (905, 238323), (2715, 79441), (3077, 70095), (4673, 46155), (9231, 23365), (14019, 15385)]