28663845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{272989}}^1$

素因数の和:273004

約数の個数: 16

約数和(自身を含む): 52414080

約数和(自身を除く): 23750235

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 272989, 818967, 1364945, 1910923, 4094835, 5732769, 9554615, 28663845]

約数ペア:

[(1, 28663845), (3, 9554615), (5, 5732769), (7, 4094835), (15, 1910923), (21, 1364945), (35, 818967), (105, 272989)]