259372287

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{168533}}^1$

素因数の和:168564

約数の個数: 20

約数和(自身を含む): 407852280

約数和(自身を除く): 148479993

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 168533, 505599, 1516797, 3202127, 4550391, 9606381, 13651173, 28819143, 86457429, 259372287]

約数ペア:

[(1, 259372287), (3, 86457429), (9, 28819143), (19, 13651173), (27, 9606381), (57, 4550391), (81, 3202127), (171, 1516797), (513, 505599), (1539, 168533)]