28374717

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79481}}^1$

素因数の和:79508

約数の個数: 16

約数和(自身を含む): 45781632

約数和(自身を除く): 17406915

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 79481, 238443, 556367, 1351177, 1669101, 4053531, 9458239, 28374717]

約数ペア:

[(1, 28374717), (3, 9458239), (7, 4053531), (17, 1669101), (21, 1351177), (51, 556367), (119, 238443), (357, 79481)]