28986957

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{15121}}^1$

素因数の和:15201

約数の個数: 16

約数和(自身を含む): 43551360

約数和(自身を除く): 14564403

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 15121, 45363, 136089, 408267, 1073591, 3220773, 9662319, 28986957]

約数ペア:

[(1, 28986957), (3, 9662319), (9, 3220773), (27, 1073591), (71, 408267), (213, 136089), (639, 45363), (1917, 15121)]