28395351

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 42282240

約数和(自身を除く): 13886889

約数列:

[1, 3, 9, 43, 129, 239, 307, 387, 717, 921, 2151, 2763, 10277, 13201, 30831, 39603, 73373, 92493, 118809, 220119, 660357, 3155039, 9465117, 28395351]

約数ペア:

[(1, 28395351), (3, 9465117), (9, 3155039), (43, 660357), (129, 220119), (239, 118809), (307, 92493), (387, 73373), (717, 39603), (921, 30831), (2151, 13201), (2763, 10277)]