287193789

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{81197}}^1$

素因数の和:81337

約数の個数: 16

約数和(自身を含む): 428725440

約数和(自身を除く): 141531651

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 81197, 243591, 730773, 2192319, 10636807, 31910421, 95731263, 287193789]

約数ペア:

[(1, 287193789), (3, 95731263), (9, 31910421), (27, 10636807), (131, 2192319), (393, 730773), (1179, 243591), (3537, 81197)]