27288531

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 40772160

約数和(自身を除く): 13483629

約数列:

[1, 3, 9, 43, 107, 129, 321, 387, 659, 963, 1977, 4601, 5931, 13803, 28337, 41409, 70513, 85011, 211539, 255033, 634617, 3032059, 9096177, 27288531]

約数ペア:

[(1, 27288531), (3, 9096177), (9, 3032059), (43, 634617), (107, 255033), (129, 211539), (321, 85011), (387, 70513), (659, 41409), (963, 28337), (1977, 13803), (4601, 5931)]