1961793

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 16

約数和(自身を含む): 2936640

約数和(自身を除く): 974847

約数列:

[1, 3, 9, 27, 113, 339, 643, 1017, 1929, 3051, 5787, 17361, 72659, 217977, 653931, 1961793]

約数ペア:

[(1, 1961793), (3, 653931), (9, 217977), (27, 72659), (113, 17361), (339, 5787), (643, 3051), (1017, 1929)]