7925631

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 12638208

約数和(自身を除く): 4712577

約数列:

[1, 3, 7, 21, 43, 67, 129, 131, 201, 301, 393, 469, 903, 917, 1407, 2751, 2881, 5633, 8643, 8777, 16899, 20167, 26331, 39431, 60501, 61439, 118293, 184317, 377411, 1132233, 2641877, 7925631]

約数ペア:

[(1, 7925631), (3, 2641877), (7, 1132233), (21, 377411), (43, 184317), (67, 118293), (129, 61439), (131, 60501), (201, 39431), (301, 26331), (393, 20167), (469, 16899), (903, 8777), (917, 8643), (1407, 5633), (2751, 2881)]