28225329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19891}}^1$

素因数の和:19948

約数の個数: 16

約数和(自身を含む): 42011904

約数和(自身を除く): 13786575

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 19891, 59673, 218801, 656403, 855313, 2565939, 9408443, 28225329]

約数ペア:

[(1, 28225329), (3, 9408443), (11, 2565939), (33, 855313), (43, 656403), (129, 218801), (473, 59673), (1419, 19891)]