81644274

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 80

約数和(自身を含む): 192178008

約数和(自身を除く): 110533734

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 53, 54, 74, 81, 106, 111, 159, 162, 222, 257, 318, 333, 477, 514, 666, 771, 954, 999, 1431, 1542, 1961, 1998, 2313, 2862, 2997, 3922, 4293, 4626, 5883, 5994, 6939, 8586, 9509, 11766, 13621, 13878, 17649, 19018, 20817, 27242, 28527, 35298, 40863, 41634, 52947, 57054, 81726, 85581, 105894, 122589, 158841, 171162, 245178, 256743, 317682, 367767, 503977, 513486, 735534, 770229, 1007954, 1103301, 1511931, 1540458, 2206602, 3023862, 4535793, 9071586, 13607379, 27214758, 40822137, 81644274]

約数ペア:

[(1, 81644274), (2, 40822137), (3, 27214758), (6, 13607379), (9, 9071586), (18, 4535793), (27, 3023862), (37, 2206602), (53, 1540458), (54, 1511931), (74, 1103301), (81, 1007954), (106, 770229), (111, 735534), (159, 513486), (162, 503977), (222, 367767), (257, 317682), (318, 256743), (333, 245178), (477, 171162), (514, 158841), (666, 122589), (771, 105894), (954, 85581), (999, 81726), (1431, 57054), (1542, 52947), (1961, 41634), (1998, 40863), (2313, 35298), (2862, 28527), (2997, 27242), (3922, 20817), (4293, 19018), (4626, 17649), (5883, 13878), (5994, 13621), (6939, 11766), (8586, 9509)]