7490571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 11612160

約数和(自身を除く): 4121589

約数列:

[1, 3, 11, 23, 33, 69, 71, 139, 213, 253, 417, 759, 781, 1529, 1633, 2343, 3197, 4587, 4899, 9591, 9869, 17963, 29607, 35167, 53889, 105501, 108559, 226987, 325677, 680961, 2496857, 7490571]

約数ペア:

[(1, 7490571), (3, 2496857), (11, 680961), (23, 325677), (33, 226987), (69, 108559), (71, 105501), (139, 53889), (213, 35167), (253, 29607), (417, 17963), (759, 9869), (781, 9591), (1529, 4899), (1633, 4587), (2343, 3197)]