28438587

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{7069}}^1$

素因数の和:7227

約数の個数: 16

約数和(自身を含む): 42420000

約数和(自身を除く): 13981413

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 7069, 21207, 63621, 190863, 1053281, 3159843, 9479529, 28438587]

約数ペア:

[(1, 28438587), (3, 9479529), (9, 3159843), (27, 1053281), (149, 190863), (447, 63621), (1341, 21207), (4023, 7069)]