1280745

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 2332800

約数和(自身を除く): 1052055

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 179, 265, 477, 537, 795, 895, 1431, 1611, 2385, 2685, 4833, 7155, 8055, 9487, 24165, 28461, 47435, 85383, 142305, 256149, 426915, 1280745]

約数ペア:

[(1, 1280745), (3, 426915), (5, 256149), (9, 142305), (15, 85383), (27, 47435), (45, 28461), (53, 24165), (135, 9487), (159, 8055), (179, 7155), (265, 4833), (477, 2685), (537, 2385), (795, 1611), (895, 1431)]