258872125383

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{405120697}}^1$

素因数の和:405120774

約数の個数: 12

約数和(自身を含む): 379192973328

約数和(自身を除く): 120320847945

約数列:

[1, 3, 9, 71, 213, 639, 405120697, 1215362091, 3646086273, 28763569487, 86290708461, 258872125383]

約数ペア:

[(1, 258872125383), (3, 86290708461), (9, 28763569487), (71, 3646086273), (213, 1215362091), (639, 405120697)]