28798839

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 43037280

約数和(自身を除く): 14238441

約数列:

[1, 3, 9, 37, 111, 197, 333, 439, 591, 1317, 1773, 3951, 7289, 16243, 21867, 48729, 65601, 86483, 146187, 259449, 778347, 3199871, 9599613, 28798839]

約数ペア:

[(1, 28798839), (3, 9599613), (9, 3199871), (37, 778347), (111, 259449), (197, 146187), (333, 86483), (439, 65601), (591, 48729), (1317, 21867), (1773, 16243), (3951, 7289)]