127968009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{13729}}^1$

素因数の和:13984

約数の個数: 16

約数和(自身を含む): 184531200

約数和(自身を除く): 56563191

約数列:

[1, 3, 13, 39, 239, 717, 3107, 9321, 13729, 41187, 178477, 535431, 3281231, 9843693, 42656003, 127968009]

約数ペア:

[(1, 127968009), (3, 42656003), (13, 9843693), (39, 3281231), (239, 535431), (717, 178477), (3107, 41187), (9321, 13729)]