628960017

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{883}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 971523072

約数和(自身を除く): 342563055

約数列:

[1, 3, 7, 21, 107, 317, 321, 749, 883, 951, 2219, 2247, 2649, 6181, 6657, 18543, 33919, 94481, 101757, 237433, 279911, 283443, 661367, 712299, 839733, 1959377, 1984101, 5878131, 29950477, 89851431, 209653339, 628960017]

約数ペア:

[(1, 628960017), (3, 209653339), (7, 89851431), (21, 29950477), (107, 5878131), (317, 1984101), (321, 1959377), (749, 839733), (883, 712299), (951, 661367), (2219, 283443), (2247, 279911), (2649, 237433), (6181, 101757), (6657, 94481), (18543, 33919)]