28789905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83449}}^1$

素因数の和:83480

約数の個数: 16

約数和(自身を含む): 48067200

約数和(自身を除く): 19277295

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 83449, 250347, 417245, 1251735, 1919327, 5757981, 9596635, 28789905]

約数ペア:

[(1, 28789905), (3, 9596635), (5, 5757981), (15, 1919327), (23, 1251735), (69, 417245), (115, 250347), (345, 83449)]