209069505

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3167}}^1$

素因数の和:3347

約数の個数: 40

約数和(自身を含む): 377194752

約数和(自身を除く): 168125247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 405, 489, 815, 1467, 2445, 3167, 4401, 7335, 9501, 13203, 15835, 22005, 28503, 47505, 66015, 85509, 142515, 256527, 427545, 516221, 1282635, 1548663, 2581105, 4645989, 7743315, 13937967, 23229945, 41813901, 69689835, 209069505]

約数ペア:

[(1, 209069505), (3, 69689835), (5, 41813901), (9, 23229945), (15, 13937967), (27, 7743315), (45, 4645989), (81, 2581105), (135, 1548663), (163, 1282635), (405, 516221), (489, 427545), (815, 256527), (1467, 142515), (2445, 85509), (3167, 66015), (4401, 47505), (7335, 28503), (9501, 22005), (13203, 15835)]