28063017

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{5171}}^1$

素因数の和:5250

約数の個数: 20

約数和(自身を含む): 42555216

約数和(自身を除く): 14492199

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5171, 5427, 15513, 46539, 139617, 346457, 418851, 1039371, 3118113, 9354339, 28063017]

約数ペア:

[(1, 28063017), (3, 9354339), (9, 3118113), (27, 1039371), (67, 418851), (81, 346457), (201, 139617), (603, 46539), (1809, 15513), (5171, 5427)]