28193373

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 17771427

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1709, 1833, 5127, 5499, 15381, 16497, 22217, 46143, 66651, 80323, 199953, 240969, 599859, 722907, 1044199, 2168721, 3132597, 9397791, 28193373]

約数ペア:

[(1, 28193373), (3, 9397791), (9, 3132597), (13, 2168721), (27, 1044199), (39, 722907), (47, 599859), (117, 240969), (141, 199953), (351, 80323), (423, 66651), (611, 46143), (1269, 22217), (1709, 16497), (1833, 15381), (5127, 5499)]