208767585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2543}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 360718848

約数和(自身を除く): 151951263

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 421, 1263, 2105, 2543, 5473, 6315, 7629, 12715, 16419, 27365, 33059, 38145, 82095, 99177, 165295, 495885, 1070603, 3211809, 5353015, 13917839, 16059045, 41753517, 69589195, 208767585]

約数ペア:

[(1, 208767585), (3, 69589195), (5, 41753517), (13, 16059045), (15, 13917839), (39, 5353015), (65, 3211809), (195, 1070603), (421, 495885), (1263, 165295), (2105, 99177), (2543, 82095), (5473, 38145), (6315, 33059), (7629, 27365), (12715, 16419)]