28506639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43789}}^1$

素因数の和:43830

約数の個数: 16

約数和(自身を含む): 44840960

約数和(自身を除く): 16334321

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 43789, 131367, 306523, 919569, 1357459, 4072377, 9502213, 28506639]

約数ペア:

[(1, 28506639), (3, 9502213), (7, 4072377), (21, 1357459), (31, 919569), (93, 306523), (217, 131367), (651, 43789)]