28096455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81439}}^1$

素因数の和:81470

約数の個数: 16

約数和(自身を含む): 46909440

約数和(自身を除く): 18812985

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 81439, 244317, 407195, 1221585, 1873097, 5619291, 9365485, 28096455]

約数ペア:

[(1, 28096455), (3, 9365485), (5, 5619291), (15, 1873097), (23, 1221585), (69, 407195), (115, 244317), (345, 81439)]