28826385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 52952832

約数和(自身を除く): 24126447

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 281, 843, 977, 1405, 1967, 2931, 4215, 4885, 5901, 6839, 9835, 14655, 20517, 29505, 34195, 102585, 274537, 823611, 1372685, 1921759, 4118055, 5765277, 9608795, 28826385]

約数ペア:

[(1, 28826385), (3, 9608795), (5, 5765277), (7, 4118055), (15, 1921759), (21, 1372685), (35, 823611), (105, 274537), (281, 102585), (843, 34195), (977, 29505), (1405, 20517), (1967, 14655), (2931, 9835), (4215, 6839), (4885, 5901)]