256154691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2593}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 392212800

約数和(自身を除く): 136058109

約数列:

[1, 3, 13, 17, 39, 51, 149, 221, 447, 663, 1937, 2533, 2593, 5811, 7599, 7779, 32929, 33709, 44081, 98787, 101127, 132243, 386357, 573053, 1159071, 1719159, 5022641, 6568069, 15067923, 19704207, 85384897, 256154691]

約数ペア:

[(1, 256154691), (3, 85384897), (13, 19704207), (17, 15067923), (39, 6568069), (51, 5022641), (149, 1719159), (221, 1159071), (447, 573053), (663, 386357), (1937, 132243), (2533, 101127), (2593, 98787), (5811, 44081), (7599, 33709), (7779, 32929)]