28083465

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 50424192

約数和(自身を除く): 22340727

約数列:

[1, 3, 5, 9, 15, 45, 73, 83, 103, 219, 249, 309, 365, 415, 515, 657, 747, 927, 1095, 1245, 1545, 3285, 3735, 4635, 6059, 7519, 8549, 18177, 22557, 25647, 30295, 37595, 42745, 54531, 67671, 76941, 90885, 112785, 128235, 272655, 338355, 384705, 624077, 1872231, 3120385, 5616693, 9361155, 28083465]

約数ペア:

[(1, 28083465), (3, 9361155), (5, 5616693), (9, 3120385), (15, 1872231), (45, 624077), (73, 384705), (83, 338355), (103, 272655), (219, 128235), (249, 112785), (309, 90885), (365, 76941), (415, 67671), (515, 54531), (657, 42745), (747, 37595), (927, 30295), (1095, 25647), (1245, 22557), (1545, 18177), (3285, 8549), (3735, 7519), (4635, 6059)]