78681393

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{15809}}^1$

素因数の和:15901

約数の個数: 24

約数和(自身を含む): 131539200

約数和(自身を除く): 52857807

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 15809, 47427, 110663, 142281, 331989, 995967, 1248911, 3746733, 8742377, 11240199, 26227131, 78681393]

約数ペア:

[(1, 78681393), (3, 26227131), (7, 11240199), (9, 8742377), (21, 3746733), (63, 1248911), (79, 995967), (237, 331989), (553, 142281), (711, 110663), (1659, 47427), (4977, 15809)]