66173421

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 89880768

約数和(自身を除く): 23707347

約数列:

[1, 3, 67, 201, 401, 821, 1203, 2463, 26867, 55007, 80601, 165021, 329221, 987663, 22057807, 66173421]

約数ペア:

[(1, 66173421), (3, 22057807), (67, 987663), (201, 329221), (401, 165021), (821, 80601), (1203, 55007), (2463, 26867)]