26427789

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1162

約数の個数: 20

約数和(自身を含む): 39617820

約数和(自身を除く): 13190031

約数列:

[1, 3, 9, 27, 81, 509, 641, 1527, 1923, 4581, 5769, 13743, 17307, 41229, 51921, 326269, 978807, 2936421, 8809263, 26427789]

約数ペア:

[(1, 26427789), (3, 8809263), (9, 2936421), (27, 978807), (81, 326269), (509, 51921), (641, 41229), (1527, 17307), (1923, 13743), (4581, 5769)]