890571957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{2551}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 1322956800

約数和(自身を除く): 432384843

約数列:

[1, 3, 11, 33, 71, 149, 213, 447, 781, 1639, 2343, 2551, 4917, 7653, 10579, 28061, 31737, 84183, 116369, 181121, 349107, 380099, 543363, 1140297, 1992331, 4181089, 5976993, 12543267, 26987029, 80961087, 296857319, 890571957]

約数ペア:

[(1, 890571957), (3, 296857319), (11, 80961087), (33, 26987029), (71, 12543267), (149, 5976993), (213, 4181089), (447, 1992331), (781, 1140297), (1639, 543363), (2343, 380099), (2551, 349107), (4917, 181121), (7653, 116369), (10579, 84183), (28061, 31737)]