140128121

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{6353}}^1$

素因数の和:6520

約数の個数: 16

約数和(自身を含む): 168355584

約数和(自身を除く): 28227463

約数列:

[1, 7, 23, 137, 161, 959, 3151, 6353, 22057, 44471, 146119, 870361, 1022833, 6092527, 20018303, 140128121]

約数ペア:

[(1, 140128121), (7, 20018303), (23, 6092527), (137, 1022833), (161, 870361), (959, 146119), (3151, 44471), (6353, 22057)]