128969001

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25913}}^1$

素因数の和:26005

約数の個数: 24

約数和(自身を含む): 215604480

約数和(自身を除く): 86635479

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 25913, 77739, 181391, 233217, 544173, 1632519, 2047127, 6141381, 14329889, 18424143, 42989667, 128969001]

約数ペア:

[(1, 128969001), (3, 42989667), (7, 18424143), (9, 14329889), (21, 6141381), (63, 2047127), (79, 1632519), (237, 544173), (553, 233217), (711, 181391), (1659, 77739), (4977, 25913)]