1081880307

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{51971}}^1$

素因数の和:52240

約数の個数: 20

約数和(自身を含む): 1622461896

約数和(自身を除く): 540581589

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 20817, 51971, 155913, 467739, 1403217, 4209651, 13356547, 40069641, 120208923, 360626769, 1081880307]

約数ペア:

[(1, 1081880307), (3, 360626769), (9, 120208923), (27, 40069641), (81, 13356547), (257, 4209651), (771, 1403217), (2313, 467739), (6939, 155913), (20817, 51971)]