17996499

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5419}}^1$

素因数の和:5472

約数の個数: 20

約数和(自身を含む): 27544440

約数和(自身を除く): 9547941

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5419, 16257, 48771, 146313, 222179, 438939, 666537, 1999611, 5998833, 17996499]

約数ペア:

[(1, 17996499), (3, 5998833), (9, 1999611), (27, 666537), (41, 438939), (81, 222179), (123, 146313), (369, 48771), (1107, 16257), (3321, 5419)]