28166907

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 38320128

約数和(自身を除く): 10153221

約数列:

[1, 3, 71, 213, 223, 593, 669, 1779, 15833, 42103, 47499, 126309, 132239, 396717, 9388969, 28166907]

約数ペア:

[(1, 28166907), (3, 9388969), (71, 396717), (213, 132239), (223, 126309), (593, 47499), (669, 42103), (1779, 15833)]