28390311

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{7057}}^1$

素因数の和:7215

約数の個数: 16

約数和(自身を含む): 42348000

約数和(自身を除く): 13957689

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 7057, 21171, 63513, 190539, 1051493, 3154479, 9463437, 28390311]

約数ペア:

[(1, 28390311), (3, 9463437), (9, 3154479), (27, 1051493), (149, 190539), (447, 63513), (1341, 21171), (4023, 7057)]