221291295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{3631}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 376565760

約数和(自身を除く): 155274465

約数列:

[1, 3, 5, 15, 17, 51, 85, 239, 255, 717, 1195, 3585, 3631, 4063, 10893, 12189, 18155, 20315, 54465, 60945, 61727, 185181, 308635, 867809, 925905, 2603427, 4339045, 13017135, 14752753, 44258259, 73763765, 221291295]

約数ペア:

[(1, 221291295), (3, 73763765), (5, 44258259), (15, 14752753), (17, 13017135), (51, 4339045), (85, 2603427), (239, 925905), (255, 867809), (717, 308635), (1195, 185181), (3585, 61727), (3631, 60945), (4063, 54465), (10893, 20315), (12189, 18155)]