861597

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{967}}^1$

素因数の和:990

約数の個数: 20

約数和(自身を含む): 1405536

約数和(自身を除く): 543939

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 967, 2901, 8703, 10637, 26109, 31911, 78327, 95733, 287199, 861597]

約数ペア:

[(1, 861597), (3, 287199), (9, 95733), (11, 78327), (27, 31911), (33, 26109), (81, 10637), (99, 8703), (297, 2901), (891, 967)]