28703.000000

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 20

約数和(自身を含む): 1213872

約数和(自身を除く): 425661

約数列:

[1, 3, 9, 27, 37, 81, 111, 263, 333, 789, 999, 2367, 2997, 7101, 9731, 21303, 29193, 87579, 262737, 788211]

約数ペア:

[(1, 788211), (3, 262737), (9, 87579), (27, 29193), (37, 21303), (81, 9731), (111, 7101), (263, 2997), (333, 2367), (789, 999)]