28286139

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3359}}^1$

素因数の和:3770

約数の個数: 16

約数和(自身を含む): 43223040

約数和(自身を除く): 14936901

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 3359, 8421, 10077, 23513, 70539, 1346959, 4040877, 9428713, 28286139]

約数ペア:

[(1, 28286139), (3, 9428713), (7, 4040877), (21, 1346959), (401, 70539), (1203, 23513), (2807, 10077), (3359, 8421)]