2636631

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:812

約数の個数: 20

約数和(自身を含む): 4035592

約数和(自身を除く): 1398961

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 757, 1161, 2271, 3483, 6813, 20439, 32551, 61317, 97653, 292959, 878877, 2636631]

約数ペア:

[(1, 2636631), (3, 878877), (9, 292959), (27, 97653), (43, 61317), (81, 32551), (129, 20439), (387, 6813), (757, 3483), (1161, 2271)]