27638289

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1429}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 45805760

約数和(自身を除く): 18167471

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 1429, 2149, 2763, 4287, 6447, 10003, 12861, 19341, 30009, 90027, 438703, 1316109, 3070921, 3948327, 9212763, 27638289]

約数ペア:

[(1, 27638289), (3, 9212763), (7, 3948327), (9, 3070921), (21, 1316109), (63, 438703), (307, 90027), (921, 30009), (1429, 19341), (2149, 12861), (2763, 10003), (4287, 6447)]