7871073

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19727}}^1$

素因数の和:19756

約数の個数: 16

約数和(自身を含む): 12625920

約数和(自身を除く): 4754847

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 19727, 59181, 138089, 374813, 414267, 1124439, 2623691, 7871073]

約数ペア:

[(1, 7871073), (3, 2623691), (7, 1124439), (19, 414267), (21, 374813), (57, 138089), (133, 59181), (399, 19727)]