221544197

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 275380224

約数和(自身を除く): 53836027

約数列:

[1, 7, 31, 37, 41, 217, 259, 287, 673, 1147, 1271, 1517, 4711, 8029, 8897, 10619, 20863, 24901, 27593, 47027, 146041, 174307, 193151, 329189, 771931, 855383, 1020941, 5403517, 5987681, 7146587, 31649171, 221544197]

約数ペア:

[(1, 221544197), (7, 31649171), (31, 7146587), (37, 5987681), (41, 5403517), (217, 1020941), (259, 855383), (287, 771931), (673, 329189), (1147, 193151), (1271, 174307), (1517, 146041), (4711, 47027), (8029, 27593), (8897, 24901), (10619, 20863)]