51021327

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127873}}^1$

素因数の和:127902

約数の個数: 16

約数和(自身を含む): 81839360

約数和(自身を除く): 30818033

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 127873, 383619, 895111, 2429587, 2685333, 7288761, 17007109, 51021327]

約数ペア:

[(1, 51021327), (3, 17007109), (7, 7288761), (19, 2685333), (21, 2429587), (57, 895111), (133, 383619), (399, 127873)]