27720502677

素因数分解:

$3^2\times 7^1\times {\mathrm{440007979}}^1$

素因数の和:440007992

約数の個数: 12

約数和(自身を含む): 45760829920

約数和(自身を除く): 18040327243

約数列:

[1, 3, 7, 9, 21, 63, 440007979, 1320023937, 3080055853, 3960071811, 9240167559, 27720502677]

約数ペア:

[(1, 27720502677), (3, 9240167559), (7, 3960071811), (9, 3080055853), (21, 1320023937), (63, 440007979)]