207958821

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2423}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 327026688

約数和(自身を除く): 119067867

約数列:

[1, 3, 7, 21, 61, 67, 183, 201, 427, 469, 1281, 1407, 2423, 4087, 7269, 12261, 16961, 28609, 50883, 85827, 147803, 162341, 443409, 487023, 1034621, 1136387, 3103863, 3409161, 9902801, 29708403, 69319607, 207958821]

約数ペア:

[(1, 207958821), (3, 69319607), (7, 29708403), (21, 9902801), (61, 3409161), (67, 3103863), (183, 1136387), (201, 1034621), (427, 487023), (469, 443409), (1281, 162341), (1407, 147803), (2423, 85827), (4087, 50883), (7269, 28609), (12261, 16961)]