28628265

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26881}}^1$

素因数の和:26960

約数の個数: 16

約数和(自身を含む): 46452096

約数和(自身を除く): 17823831

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26881, 80643, 134405, 403215, 1908551, 5725653, 9542755, 28628265]

約数ペア:

[(1, 28628265), (3, 9542755), (5, 5725653), (15, 1908551), (71, 403215), (213, 134405), (355, 80643), (1065, 26881)]