17940909

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 28979712

約数和(自身を除く): 11038803

約数列:

[1, 3, 7, 21, 31, 49, 93, 127, 147, 217, 381, 651, 889, 961, 1519, 2667, 2883, 3937, 4557, 6223, 6727, 11811, 18669, 20181, 27559, 47089, 82677, 122047, 141267, 192913, 366141, 578739, 854329, 2562987, 5980303, 17940909]

約数ペア:

[(1, 17940909), (3, 5980303), (7, 2562987), (21, 854329), (31, 578739), (49, 366141), (93, 192913), (127, 141267), (147, 122047), (217, 82677), (381, 47089), (651, 27559), (889, 20181), (961, 18669), (1519, 11811), (2667, 6727), (2883, 6223), (3937, 4557)]