205571289

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8317}}^1$

素因数の和:8445

約数の個数: 32

約数和(自身を含む): 344964096

約数和(自身を除く): 139392807

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 1177, 2247, 3531, 8239, 8317, 24717, 24951, 58219, 91487, 174657, 274461, 640409, 889919, 1921227, 2669757, 6229433, 9789109, 18688299, 29367327, 68523763, 205571289]

約数ペア:

[(1, 205571289), (3, 68523763), (7, 29367327), (11, 18688299), (21, 9789109), (33, 6229433), (77, 2669757), (107, 1921227), (231, 889919), (321, 640409), (749, 274461), (1177, 174657), (2247, 91487), (3531, 58219), (8239, 24951), (8317, 24717)]