25430391

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3919}}^1$

素因数の和:4035

約数の個数: 24

約数和(自身を含む): 42398720

約数和(自身を除く): 16968329

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3919, 6489, 11757, 27433, 35271, 82299, 246897, 403657, 1210971, 2825599, 3632913, 8476797, 25430391]

約数ペア:

[(1, 25430391), (3, 8476797), (7, 3632913), (9, 2825599), (21, 1210971), (63, 403657), (103, 246897), (309, 82299), (721, 35271), (927, 27433), (2163, 11757), (3919, 6489)]