81111165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1777}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 138257280

約数和(自身を除く): 57146115

約数列:

[1, 3, 5, 15, 17, 51, 85, 179, 255, 537, 895, 1777, 2685, 3043, 5331, 8885, 9129, 15215, 26655, 30209, 45645, 90627, 151045, 318083, 453135, 954249, 1590415, 4771245, 5407411, 16222233, 27037055, 81111165]

約数ペア:

[(1, 81111165), (3, 27037055), (5, 16222233), (15, 5407411), (17, 4771245), (51, 1590415), (85, 954249), (179, 453135), (255, 318083), (537, 151045), (895, 90627), (1777, 45645), (2685, 30209), (3043, 26655), (5331, 15215), (8885, 9129)]