2178013569

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1\times {\mathrm{10487}}^1$

素因数の和:11244

約数の個数: 16

約数和(自身を含む): 2935968768

約数和(自身を除く): 757955199

約数列:

[1, 3, 107, 321, 647, 1941, 10487, 31461, 69229, 207687, 1122109, 3366327, 6785089, 20355267, 726004523, 2178013569]

約数ペア:

[(1, 2178013569), (3, 726004523), (107, 20355267), (321, 6785089), (647, 3366327), (1941, 1122109), (10487, 207687), (31461, 69229)]