28489995

素因数分解:

$3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 50918400

約数和(自身を除く): 22428405

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 239, 717, 883, 1195, 2151, 2649, 3585, 4415, 6453, 7947, 10755, 13245, 23841, 32265, 39735, 119205, 211037, 633111, 1055185, 1899333, 3165555, 5697999, 9496665, 28489995]

約数ペア:

[(1, 28489995), (3, 9496665), (5, 5697999), (9, 3165555), (15, 1899333), (27, 1055185), (45, 633111), (135, 211037), (239, 119205), (717, 39735), (883, 32265), (1195, 23841), (2151, 13245), (2649, 10755), (3585, 7947), (4415, 6453)]