28898667

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 20522133

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1429, 2247, 2889, 4287, 6741, 10003, 12861, 20223, 30009, 38583, 90027, 152903, 270081, 458709, 1070321, 1376127, 3210963, 4128381, 9632889, 28898667]

約数ペア:

[(1, 28898667), (3, 9632889), (7, 4128381), (9, 3210963), (21, 1376127), (27, 1070321), (63, 458709), (107, 270081), (189, 152903), (321, 90027), (749, 38583), (963, 30009), (1429, 20223), (2247, 12861), (2889, 10003), (4287, 6741)]