28991355

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62347}}^1$

素因数の和:62386

約数の個数: 16

約数和(自身を含む): 47883264

約数和(自身を除く): 18891909

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 62347, 187041, 311735, 935205, 1932757, 5798271, 9663785, 28991355]

約数ペア:

[(1, 28991355), (3, 9663785), (5, 5798271), (15, 1932757), (31, 935205), (93, 311735), (155, 187041), (465, 62347)]