165721005

素因数分解:

$3^3\times 5^1\times {\mathrm{1227563}}^1$

素因数の和:1227577

約数の個数: 16

約数和(自身を含む): 294615360

約数和(自身を除く): 128894355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1227563, 3682689, 6137815, 11048067, 18413445, 33144201, 55240335, 165721005]

約数ペア:

[(1, 165721005), (3, 55240335), (5, 33144201), (9, 18413445), (15, 11048067), (27, 6137815), (45, 3682689), (135, 1227563)]