61938009

素因数分解:

$3^2\times 7^2\times {\mathrm{140449}}^1$

素因数の和:140469

約数の個数: 18

約数和(自身を含む): 104073450

約数和(自身を除く): 42135441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 140449, 421347, 983143, 1264041, 2949429, 6882001, 8848287, 20646003, 61938009]

約数ペア:

[(1, 61938009), (3, 20646003), (7, 8848287), (9, 6882001), (21, 2949429), (49, 1264041), (63, 983143), (147, 421347), (441, 140449)]