12890691

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43403}}^1$

素因数の和:43423

約数の個数: 16

約数和(自身を含む): 20833920

約数和(自身を除く): 7943229

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 43403, 130209, 390627, 477433, 1171881, 1432299, 4296897, 12890691]

約数ペア:

[(1, 12890691), (3, 4296897), (9, 1432299), (11, 1171881), (27, 477433), (33, 390627), (99, 130209), (297, 43403)]