26888253

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 42811392

約数和(自身を除く): 15923139

約数列:

[1, 3, 7, 21, 31, 93, 103, 217, 309, 401, 651, 721, 1203, 2163, 2807, 3193, 8421, 9579, 12431, 22351, 37293, 41303, 67053, 87017, 123909, 261051, 289121, 867363, 1280393, 3841179, 8962751, 26888253]

約数ペア:

[(1, 26888253), (3, 8962751), (7, 3841179), (21, 1280393), (31, 867363), (93, 289121), (103, 261051), (217, 123909), (309, 87017), (401, 67053), (651, 41303), (721, 37293), (1203, 22351), (2163, 12431), (2807, 9579), (3193, 8421)]