47370987

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8237}}^1$

素因数の和:8320

約数の個数: 20

約数和(自身を含む): 71769456

約数和(自身を除く): 24398469

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8237, 24711, 74133, 222399, 584827, 667197, 1754481, 5263443, 15790329, 47370987]

約数ペア:

[(1, 47370987), (3, 15790329), (9, 5263443), (27, 1754481), (71, 667197), (81, 584827), (213, 222399), (639, 74133), (1917, 24711), (5751, 8237)]