1618377489

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{252911}}^1$

素因数の和:253002

約数の個数: 20

約数和(自身を含む): 2448188160

約数和(自身を除く): 829810671

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 252911, 758733, 2276199, 6828597, 19979969, 20485791, 59939907, 179819721, 539459163, 1618377489]

約数ペア:

[(1, 1618377489), (3, 539459163), (9, 179819721), (27, 59939907), (79, 20485791), (81, 19979969), (237, 6828597), (711, 2276199), (2133, 758733), (6399, 252911)]