51786789

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 69964224

約数和(自身を除く): 18177435

約数列:

[1, 3, 131, 313, 393, 421, 939, 1263, 41003, 55151, 123009, 131773, 165453, 395319, 17262263, 51786789]

約数ペア:

[(1, 51786789), (3, 17262263), (131, 395319), (313, 165453), (393, 131773), (421, 123009), (939, 55151), (1263, 41003)]