47520513

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8263}}^1$

素因数の和:8346

約数の個数: 20

約数和(自身を含む): 71995968

約数和(自身を除く): 24475455

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8263, 24789, 74367, 223101, 586673, 669303, 1760019, 5280057, 15840171, 47520513]

約数ペア:

[(1, 47520513), (3, 15840171), (9, 5280057), (27, 1760019), (71, 669303), (81, 586673), (213, 223101), (639, 74367), (1917, 24789), (5751, 8263)]