2004207921

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{384611}}^1$

素因数の和:384813

約数の個数: 16

約数和(自身を含む): 2984589120

約数和(自身を除く): 980381199

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 384611, 1153833, 3461499, 10384497, 74229923, 222689769, 668069307, 2004207921]

約数ペア:

[(1, 2004207921), (3, 668069307), (9, 222689769), (27, 74229923), (193, 10384497), (579, 3461499), (1737, 1153833), (5211, 384611)]