28262487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 14637993

約数列:

[1, 3, 11, 33, 37, 79, 111, 237, 293, 407, 869, 879, 1221, 2607, 2923, 3223, 8769, 9669, 10841, 23147, 32153, 32523, 69441, 96459, 119251, 254617, 357753, 763851, 856439, 2569317, 9420829, 28262487]

約数ペア:

[(1, 28262487), (3, 9420829), (11, 2569317), (33, 856439), (37, 763851), (79, 357753), (111, 254617), (237, 119251), (293, 96459), (407, 69441), (869, 32523), (879, 32153), (1221, 23147), (2607, 10841), (2923, 9669), (3223, 8769)]