220194285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{3613}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 374699520

約数和(自身を除く): 154505235

約数列:

[1, 3, 5, 15, 17, 51, 85, 239, 255, 717, 1195, 3585, 3613, 4063, 10839, 12189, 18065, 20315, 54195, 60945, 61421, 184263, 307105, 863507, 921315, 2590521, 4317535, 12952605, 14679619, 44038857, 73398095, 220194285]

約数ペア:

[(1, 220194285), (3, 73398095), (5, 44038857), (15, 14679619), (17, 12952605), (51, 4317535), (85, 2590521), (239, 921315), (255, 863507), (717, 307105), (1195, 184263), (3585, 61421), (3613, 60945), (4063, 54195), (10839, 20315), (12189, 18065)]