16117647

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 27084288

約数和(自身を除く): 10966641

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1373, 1677, 3913, 4119, 9611, 11739, 17849, 28833, 53547, 59039, 124943, 177117, 374829, 413273, 767507, 1239819, 2302521, 5372549, 16117647]

約数ペア:

[(1, 16117647), (3, 5372549), (7, 2302521), (13, 1239819), (21, 767507), (39, 413273), (43, 374829), (91, 177117), (129, 124943), (273, 59039), (301, 53547), (559, 28833), (903, 17849), (1373, 11739), (1677, 9611), (3913, 4119)]