209364819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 304335360

約数和(自身を除く): 94970541

約数列:

[1, 3, 19, 41, 57, 101, 123, 303, 779, 887, 1919, 2337, 2661, 4141, 5757, 12423, 16853, 36367, 50559, 78679, 89587, 109101, 236037, 268761, 690973, 1702153, 2072919, 3673067, 5106459, 11019201, 69788273, 209364819]

約数ペア:

[(1, 209364819), (3, 69788273), (19, 11019201), (41, 5106459), (57, 3673067), (101, 2072919), (123, 1702153), (303, 690973), (779, 268761), (887, 236037), (1919, 109101), (2337, 89587), (2661, 78679), (4141, 50559), (5757, 36367), (12423, 16853)]