28261953

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{911}}^1$

素因数の和:1306

約数の個数: 20

約数和(自身を含む): 42375168

約数和(自身を除く): 14113215

約数列:

[1, 3, 9, 27, 81, 383, 911, 1149, 2733, 3447, 8199, 10341, 24597, 31023, 73791, 348913, 1046739, 3140217, 9420651, 28261953]

約数ペア:

[(1, 28261953), (3, 9420651), (9, 3140217), (27, 1046739), (81, 348913), (383, 73791), (911, 31023), (1149, 24597), (2733, 10341), (3447, 8199)]