289502019

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{13907}}^1$

素因数の和:14176

約数の個数: 20

約数和(自身を含む): 434179944

約数和(自身を除く): 144677925

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 13907, 20817, 41721, 125163, 375489, 1126467, 3574099, 10722297, 32166891, 96500673, 289502019]

約数ペア:

[(1, 289502019), (3, 96500673), (9, 32166891), (27, 10722297), (81, 3574099), (257, 1126467), (771, 375489), (2313, 125163), (6939, 41721), (13907, 20817)]