12641859

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 24

約数和(自身を含む): 19781520

約数和(自身を除く): 7139661

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 1297, 3249, 3891, 9747, 11673, 24643, 35019, 73929, 221787, 468217, 665361, 1404651, 4213953, 12641859]

約数ペア:

[(1, 12641859), (3, 4213953), (9, 1404651), (19, 665361), (27, 468217), (57, 221787), (171, 73929), (361, 35019), (513, 24643), (1083, 11673), (1297, 9747), (3249, 3891)]