1788561

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 20

約数和(自身を含む): 2718144

約数和(自身を除く): 929583

約数列:

[1, 3, 9, 27, 71, 81, 213, 311, 639, 933, 1917, 2799, 5751, 8397, 22081, 25191, 66243, 198729, 596187, 1788561]

約数ペア:

[(1, 1788561), (3, 596187), (9, 198729), (27, 66243), (71, 25191), (81, 22081), (213, 8397), (311, 5751), (639, 2799), (933, 1917)]