28691658

素因数分解:

$2^1\times 3^4\times {\mathrm{177109}}^1$

素因数の和:177123

約数の個数: 20

約数和(自身を含む): 64290930

約数和(自身を除く): 35599272

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 177109, 354218, 531327, 1062654, 1593981, 3187962, 4781943, 9563886, 14345829, 28691658]

約数ペア:

[(1, 28691658), (2, 14345829), (3, 9563886), (6, 4781943), (9, 3187962), (18, 1593981), (27, 1062654), (54, 531327), (81, 354218), (162, 177109)]