28716051

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{359}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 18700269

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 293, 359, 879, 1077, 2051, 2513, 3809, 4667, 6153, 7539, 11427, 14001, 26663, 32669, 79989, 98007, 105187, 315561, 736309, 1367431, 2208927, 4102293, 9572017, 28716051]

約数ペア:

[(1, 28716051), (3, 9572017), (7, 4102293), (13, 2208927), (21, 1367431), (39, 736309), (91, 315561), (273, 105187), (293, 98007), (359, 79989), (879, 32669), (1077, 26663), (2051, 14001), (2513, 11427), (3809, 7539), (4667, 6153)]