28628481

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1621}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 45208384

約数和(自身を除く): 16579903

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 841, 1621, 2523, 4863, 5887, 11347, 17661, 34041, 47009, 141027, 329063, 987189, 1363261, 4089783, 9542827, 28628481]

約数ペア:

[(1, 28628481), (3, 9542827), (7, 4089783), (21, 1363261), (29, 987189), (87, 329063), (203, 141027), (609, 47009), (841, 34041), (1621, 17661), (2523, 11347), (4863, 5887)]