8209431

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2412

約数の個数: 20

約数和(自身を含む): 12553992

約数和(自身を除く): 4344561

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2357, 3483, 7071, 21213, 63639, 101351, 190917, 304053, 912159, 2736477, 8209431]

約数ペア:

[(1, 8209431), (3, 2736477), (9, 912159), (27, 304053), (43, 190917), (81, 101351), (129, 63639), (387, 21213), (1161, 7071), (2357, 3483)]