28818657

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7499}}^1$

素因数の和:7573

約数の個数: 24

約数和(自身を含む): 48360000

約数和(自身を除く): 19541343

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7499, 22497, 52493, 67491, 157479, 457439, 472437, 1372317, 3202073, 4116951, 9606219, 28818657]

約数ペア:

[(1, 28818657), (3, 9606219), (7, 4116951), (9, 3202073), (21, 1372317), (61, 472437), (63, 457439), (183, 157479), (427, 67491), (549, 52493), (1281, 22497), (3843, 7499)]