248896143

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{76607}}^1$

素因数の和:76651

約数の個数: 18

約数和(自身を含む): 379439424

約数和(自身を除く): 130543281

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 76607, 229821, 689463, 1455533, 4366599, 13099797, 27655127, 82965381, 248896143]

約数ペア:

[(1, 248896143), (3, 82965381), (9, 27655127), (19, 13099797), (57, 4366599), (171, 1455533), (361, 689463), (1083, 229821), (3249, 76607)]