51991149

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{18899}}^1$

素因数の和:19040

約数の個数: 16

約数和(自身を含む): 79833600

約数和(自身を除く): 27842451

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 18899, 56697, 132293, 396879, 2475769, 7427307, 17330383, 51991149]

約数ペア:

[(1, 51991149), (3, 17330383), (7, 7427307), (21, 2475769), (131, 396879), (393, 132293), (917, 56697), (2751, 18899)]