28227213

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9533}}^1$

素因数の和:9593

約数の個数: 24

約数和(自身を含む): 47593728

約数和(自身を除く): 19366515

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 9533, 28599, 66731, 85797, 200193, 448051, 600579, 1344153, 3136357, 4032459, 9409071, 28227213]

約数ペア:

[(1, 28227213), (3, 9409071), (7, 4032459), (9, 3136357), (21, 1344153), (47, 600579), (63, 448051), (141, 200193), (329, 85797), (423, 66731), (987, 28599), (2961, 9533)]