20161383921

素因数分解:

$3^3\times 7^1\times {\mathrm{106673989}}^1$

素因数の和:106674005

約数の個数: 16

約数和(自身を含む): 34135676800

約数和(自身を除く): 13974292879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106673989, 320021967, 746717923, 960065901, 2240153769, 2880197703, 6720461307, 20161383921]

約数ペア:

[(1, 20161383921), (3, 6720461307), (7, 2880197703), (9, 2240153769), (21, 960065901), (27, 746717923), (63, 320021967), (189, 106673989)]