2178723921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2870519}}^1$

素因数の和:2870556

約数の個数: 16

約数和(自身を含む): 3306839040

約数和(自身を除く): 1128115119

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 2870519, 8611557, 31575709, 66021937, 94727127, 198065811, 726241307, 2178723921]

約数ペア:

[(1, 2178723921), (3, 726241307), (11, 198065811), (23, 94727127), (33, 66021937), (69, 31575709), (253, 8611557), (759, 2870519)]