3778778871

素因数分解:

$3^4\times 7^1\times {\mathrm{6664513}}^1$

素因数の和:6664532

約数の個数: 20

約数和(自身を含む): 6451249552

約数和(自身を除く): 2672470681

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6664513, 19993539, 46651591, 59980617, 139954773, 179941851, 419864319, 539825553, 1259592957, 3778778871]

約数ペア:

[(1, 3778778871), (3, 1259592957), (7, 539825553), (9, 419864319), (21, 179941851), (27, 139954773), (63, 59980617), (81, 46651591), (189, 19993539), (567, 6664513)]