204521721

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{6829}}^1$

素因数の和:7048

約数の個数: 16

約数和(自身を含む): 278664000

約数和(自身を除く): 74142279

約数列:

[1, 3, 67, 149, 201, 447, 6829, 9983, 20487, 29949, 457543, 1017521, 1372629, 3052563, 68173907, 204521721]

約数ペア:

[(1, 204521721), (3, 68173907), (67, 3052563), (149, 1372629), (201, 1017521), (447, 457543), (6829, 29949), (9983, 20487)]