78821805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{228469}}^1$

素因数の和:228500

約数の個数: 16

約数和(自身を含む): 131598720

約数和(自身を除く): 52776915

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 228469, 685407, 1142345, 3427035, 5254787, 15764361, 26273935, 78821805]

約数ペア:

[(1, 78821805), (3, 26273935), (5, 15764361), (15, 5254787), (23, 3427035), (69, 1142345), (115, 685407), (345, 228469)]