28410669

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 49135680

約数和(自身を除く): 20725011

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 563, 567, 623, 801, 1689, 1869, 2403, 3941, 5067, 5607, 7209, 11823, 15201, 16821, 35469, 45603, 50107, 50463, 106407, 150321, 319221, 350749, 450963, 1052247, 1352889, 3156741, 4058667, 9470223, 28410669]

約数ペア:

[(1, 28410669), (3, 9470223), (7, 4058667), (9, 3156741), (21, 1352889), (27, 1052247), (63, 450963), (81, 350749), (89, 319221), (189, 150321), (267, 106407), (563, 50463), (567, 50107), (623, 45603), (801, 35469), (1689, 16821), (1869, 15201), (2403, 11823), (3941, 7209), (5067, 5607)]