51221997

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{46271}}^1$

素因数の和:46321

約数の個数: 16

約数和(自身を含む): 77736960

約数和(自身を除く): 26514963

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 46271, 138813, 416439, 1249317, 1897111, 5691333, 17073999, 51221997]

約数ペア:

[(1, 51221997), (3, 17073999), (9, 5691333), (27, 1897111), (41, 1249317), (123, 416439), (369, 138813), (1107, 46271)]