28521519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 42373296

約数和(自身を除く): 13851777

約数列:

[1, 3, 13, 31, 39, 93, 403, 761, 961, 1209, 2283, 2883, 9893, 12493, 23591, 29679, 37479, 70773, 306683, 731321, 920049, 2193963, 9507173, 28521519]

約数ペア:

[(1, 28521519), (3, 9507173), (13, 2193963), (31, 920049), (39, 731321), (93, 306683), (403, 70773), (761, 37479), (961, 29679), (1209, 23591), (2283, 12493), (2883, 9893)]