25971141

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{12007}}^1$

素因数の和:12120

約数の個数: 16

約数和(自身を含む): 39962624

約数和(自身を除く): 13991483

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 12007, 36021, 84049, 252147, 1236721, 3710163, 8657047, 25971141]

約数ペア:

[(1, 25971141), (3, 8657047), (7, 3710163), (21, 1236721), (103, 252147), (309, 84049), (721, 36021), (2163, 12007)]