12809823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^2$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 19616688

約数和(自身を除く): 6806865

約数列:

[1, 3, 13, 17, 39, 51, 139, 221, 417, 663, 1807, 2363, 5421, 7089, 19321, 30719, 57963, 92157, 251173, 328457, 753519, 985371, 4269941, 12809823]

約数ペア:

[(1, 12809823), (3, 4269941), (13, 985371), (17, 753519), (39, 328457), (51, 251173), (139, 92157), (221, 57963), (417, 30719), (663, 19321), (1807, 7089), (2363, 5421)]