27997431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6379}}^1$

素因数の和:6419

約数の個数: 32

約数和(自身を含む): 48998400

約数和(自身を除く): 21000969

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 6379, 19137, 44653, 70169, 121201, 133959, 210507, 363603, 491183, 848407, 1333211, 1473549, 2545221, 3999633, 9332477, 27997431]

約数ペア:

[(1, 27997431), (3, 9332477), (7, 3999633), (11, 2545221), (19, 1473549), (21, 1333211), (33, 848407), (57, 491183), (77, 363603), (133, 210507), (209, 133959), (231, 121201), (399, 70169), (627, 44653), (1463, 19137), (4389, 6379)]