28678089

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 42347200

約数和(自身を除く): 13669111

約数列:

[1, 3, 11, 33, 121, 199, 363, 397, 597, 1191, 2189, 4367, 6567, 13101, 24079, 48037, 72237, 79003, 144111, 237009, 869033, 2607099, 9559363, 28678089]

約数ペア:

[(1, 28678089), (3, 9559363), (11, 2607099), (33, 869033), (121, 237009), (199, 144111), (363, 79003), (397, 72237), (597, 48037), (1191, 24079), (2189, 13101), (4367, 6567)]