1605663

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:516

約数の個数: 20

約数和(自身を含む): 2459688

約数和(自身を除く): 854025

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 461, 1161, 1383, 3483, 4149, 12447, 19823, 37341, 59469, 178407, 535221, 1605663]

約数ペア:

[(1, 1605663), (3, 535221), (9, 178407), (27, 59469), (43, 37341), (81, 19823), (129, 12447), (387, 4149), (461, 3483), (1161, 1383)]