81561393

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2791}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 125438976

約数和(自身を除く): 43877583

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 1719, 2791, 3247, 8373, 9741, 25119, 29223, 47447, 142341, 427023, 533081, 1599243, 4797729, 9062377, 27187131, 81561393]

約数ペア:

[(1, 81561393), (3, 27187131), (9, 9062377), (17, 4797729), (51, 1599243), (153, 533081), (191, 427023), (573, 142341), (1719, 47447), (2791, 29223), (3247, 25119), (8373, 9741)]