877443

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 1400832

約数和(自身を除く): 523389

約数列:

[1, 3, 7, 21, 47, 49, 127, 141, 147, 329, 381, 889, 987, 2303, 2667, 5969, 6223, 6909, 17907, 18669, 41783, 125349, 292481, 877443]

約数ペア:

[(1, 877443), (3, 292481), (7, 125349), (21, 41783), (47, 18669), (49, 17907), (127, 6909), (141, 6223), (147, 5969), (329, 2667), (381, 2303), (889, 987)]