140157621

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{24371}}^1$

素因数の和:24454

約数の個数: 20

約数和(自身を含む): 212328864

約数和(自身を除く): 72171243

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 24371, 73113, 219339, 658017, 1730341, 1974051, 5191023, 15573069, 46719207, 140157621]

約数ペア:

[(1, 140157621), (3, 46719207), (9, 15573069), (27, 5191023), (71, 1974051), (81, 1730341), (213, 658017), (639, 219339), (1917, 73113), (5751, 24371)]