31453121

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 37684224

約数和(自身を除く): 6231103

約数列:

[1, 7, 23, 161, 347, 563, 2429, 3941, 7981, 12949, 55867, 90643, 195361, 1367527, 4493303, 31453121]

約数ペア:

[(1, 31453121), (7, 4493303), (23, 1367527), (161, 195361), (347, 90643), (563, 55867), (2429, 12949), (3941, 7981)]