28876317

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 40521600

約数和(自身を除く): 11645283

約数列:

[1, 3, 37, 79, 89, 111, 237, 267, 1369, 2923, 3293, 4107, 7031, 8769, 9879, 21093, 108151, 121841, 260147, 324453, 365523, 780441, 9625439, 28876317]

約数ペア:

[(1, 28876317), (3, 9625439), (37, 780441), (79, 365523), (89, 324453), (111, 260147), (237, 121841), (267, 108151), (1369, 21093), (2923, 9879), (3293, 8769), (4107, 7031)]