81430551

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3023}}^1$

素因数の和:3143

約数の個数: 24

約数和(自身を含む): 122181696

約数和(自身を除く): 40751145

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 657, 2993, 3023, 8979, 9069, 26937, 27207, 123943, 220679, 371829, 662037, 1115487, 1986111, 9047839, 27143517, 81430551]

約数ペア:

[(1, 81430551), (3, 27143517), (9, 9047839), (41, 1986111), (73, 1115487), (123, 662037), (219, 371829), (369, 220679), (657, 123943), (2993, 27207), (3023, 26937), (8979, 9069)]