28820235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61979}}^1$

素因数の和:62018

約数の個数: 16

約数和(自身を含む): 47600640

約数和(自身を除く): 18780405

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 61979, 185937, 309895, 929685, 1921349, 5764047, 9606745, 28820235]

約数ペア:

[(1, 28820235), (3, 9606745), (5, 5764047), (15, 1921349), (31, 929685), (93, 309895), (155, 185937), (465, 61979)]