2195181

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:714

約数の個数: 20

約数和(自身を含む): 3364284

約数和(自身を除く): 1169103

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 661, 1107, 1983, 3321, 5949, 17847, 27101, 53541, 81303, 243909, 731727, 2195181]

約数ペア:

[(1, 2195181), (3, 731727), (9, 243909), (27, 81303), (41, 53541), (81, 27101), (123, 17847), (369, 5949), (661, 3321), (1107, 1983)]