28305705

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{12497}}^1$

素因数の和:12656

約数の個数: 16

約数和(自身を含む): 45592704

約数和(自身を除く): 17286999

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 12497, 37491, 62485, 187455, 1887047, 5661141, 9435235, 28305705]

約数ペア:

[(1, 28305705), (3, 9435235), (5, 5661141), (15, 1887047), (151, 187455), (453, 62485), (755, 37491), (2265, 12497)]