15744321

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 8585919

約数列:

[1, 3, 9, 27, 43, 71, 129, 191, 213, 387, 573, 639, 1161, 1719, 1917, 3053, 5157, 8213, 9159, 13561, 24639, 27477, 40683, 73917, 82431, 122049, 221751, 366147, 583123, 1749369, 5248107, 15744321]

約数ペア:

[(1, 15744321), (3, 5248107), (9, 1749369), (27, 583123), (43, 366147), (71, 221751), (129, 122049), (191, 82431), (213, 73917), (387, 40683), (573, 27477), (639, 24639), (1161, 13561), (1719, 9159), (1917, 8213), (3053, 5157)]