126915761

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{20123}}^1$

素因数の和:20200

約数の個数: 16

約数和(自身を含む): 156484224

約数和(自身を除く): 29568463

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 20123, 140861, 342091, 1066519, 2394637, 7465633, 18130823, 126915761]

約数ペア:

[(1, 126915761), (7, 18130823), (17, 7465633), (53, 2394637), (119, 1066519), (371, 342091), (901, 140861), (6307, 20123)]