28486263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 44262400

約数和(自身を除く): 15776137

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1039, 1443, 2109, 3117, 9139, 13507, 19741, 27417, 38443, 40521, 59223, 115329, 256633, 499759, 730417, 769899, 1499277, 2191251, 9495421, 28486263]

約数ペア:

[(1, 28486263), (3, 9495421), (13, 2191251), (19, 1499277), (37, 769899), (39, 730417), (57, 499759), (111, 256633), (247, 115329), (481, 59223), (703, 40521), (741, 38443), (1039, 27417), (1443, 19741), (2109, 13507), (3117, 9139)]