128129697

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{1237}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 196411176

約数和(自身を除く): 68281479

約数列:

[1, 3, 9, 17, 51, 153, 677, 1237, 2031, 3711, 6093, 11133, 11509, 21029, 34527, 63087, 103581, 189261, 837449, 2512347, 7537041, 14236633, 42709899, 128129697]

約数ペア:

[(1, 128129697), (3, 42709899), (9, 14236633), (17, 7537041), (51, 2512347), (153, 837449), (677, 189261), (1237, 103581), (2031, 63087), (3711, 34527), (6093, 21029), (11133, 11509)]