16721331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10781}}^1$

素因数の和:10842

約数の個数: 16

約数和(自身を含む): 24841728

約数和(自身を除く): 8120397

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 10781, 32343, 118591, 355773, 506707, 1520121, 5573777, 16721331]

約数ペア:

[(1, 16721331), (3, 5573777), (11, 1520121), (33, 506707), (47, 355773), (141, 118591), (517, 32343), (1551, 10781)]