205942005

素因数分解:

$3^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{5303}}^1$

素因数の和:6177

約数の個数: 24

約数和(自身を含む): 357447168

約数和(自身を除く): 151505163

約数列:

[1, 3, 5, 9, 15, 45, 863, 2589, 4315, 5303, 7767, 12945, 15909, 26515, 38835, 47727, 79545, 238635, 4576489, 13729467, 22882445, 41188401, 68647335, 205942005]

約数ペア:

[(1, 205942005), (3, 68647335), (5, 41188401), (9, 22882445), (15, 13729467), (45, 4576489), (863, 238635), (2589, 79545), (4315, 47727), (5303, 38835), (7767, 26515), (12945, 15909)]