81139121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2239}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 96337920

約数和(自身を除く): 15198799

約数列:

[1, 7, 31, 167, 217, 1169, 2239, 5177, 15673, 36239, 69409, 373913, 485863, 2617391, 11591303, 81139121]

約数ペア:

[(1, 81139121), (7, 11591303), (31, 2617391), (167, 485863), (217, 373913), (1169, 69409), (2239, 36239), (5177, 15673)]