28837971

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{2411}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 42837120

約数和(自身を除く): 13999149

約数列:

[1, 3, 9, 27, 443, 1329, 2411, 3987, 7233, 11961, 21699, 65097, 1068073, 3204219, 9612657, 28837971]

約数ペア:

[(1, 28837971), (3, 9612657), (9, 3204219), (27, 1068073), (443, 65097), (1329, 21699), (2411, 11961), (3987, 7233)]