407667087

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{82507}}^1$

素因数の和:82580

約数の個数: 20

約数和(自身を含む): 618975016

約数和(自身を除く): 211307929

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 82507, 247521, 742563, 2227689, 5032927, 6683067, 15098781, 45296343, 135889029, 407667087]

約数ペア:

[(1, 407667087), (3, 135889029), (9, 45296343), (27, 15098781), (61, 6683067), (81, 5032927), (183, 2227689), (549, 742563), (1647, 247521), (4941, 82507)]