1964493

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 20

約数和(自身を含む): 2981440

約数和(自身を除く): 1016947

約数列:

[1, 3, 9, 27, 79, 81, 237, 307, 711, 921, 2133, 2763, 6399, 8289, 24253, 24867, 72759, 218277, 654831, 1964493]

約数ペア:

[(1, 1964493), (3, 654831), (9, 218277), (27, 72759), (79, 24867), (81, 24253), (237, 8289), (307, 6399), (711, 2763), (921, 2133)]