26128221

素因数分解:

$3^1\times 7^2\times {\mathrm{177743}}^1$

素因数の和:177760

約数の個数: 12

約数和(自身を含む): 40525632

約数和(自身を除く): 14397411

約数列:

[1, 3, 7, 21, 49, 147, 177743, 533229, 1244201, 3732603, 8709407, 26128221]

約数ペア:

[(1, 26128221), (3, 8709407), (7, 3732603), (21, 1244201), (49, 533229), (147, 177743)]