51131025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 101633376

約数和(自身を除く): 50502351

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 73, 75, 99, 165, 219, 225, 275, 283, 365, 495, 657, 803, 825, 849, 1095, 1415, 1825, 2409, 2475, 2547, 3113, 3285, 4015, 4245, 5475, 7075, 7227, 9339, 12045, 12735, 15565, 16425, 20075, 20659, 21225, 28017, 36135, 46695, 60225, 61977, 63675, 77825, 103295, 140085, 180675, 185931, 227249, 233475, 309885, 516475, 681747, 700425, 929655, 1136245, 1549425, 2045241, 3408735, 4648275, 5681225, 10226205, 17043675, 51131025]

約数ペア:

[(1, 51131025), (3, 17043675), (5, 10226205), (9, 5681225), (11, 4648275), (15, 3408735), (25, 2045241), (33, 1549425), (45, 1136245), (55, 929655), (73, 700425), (75, 681747), (99, 516475), (165, 309885), (219, 233475), (225, 227249), (275, 185931), (283, 180675), (365, 140085), (495, 103295), (657, 77825), (803, 63675), (825, 61977), (849, 60225), (1095, 46695), (1415, 36135), (1825, 28017), (2409, 21225), (2475, 20659), (2547, 20075), (3113, 16425), (3285, 15565), (4015, 12735), (4245, 12045), (5475, 9339), (7075, 7227)]