25491573

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 37672128

約数和(自身を除く): 12180555

約数列:

[1, 3, 9, 103, 107, 257, 309, 321, 771, 927, 963, 2313, 11021, 26471, 27499, 33063, 79413, 82497, 99189, 238239, 247491, 2832397, 8497191, 25491573]

約数ペア:

[(1, 25491573), (3, 8497191), (9, 2832397), (103, 247491), (107, 238239), (257, 99189), (309, 82497), (321, 79413), (771, 33063), (927, 27499), (963, 26471), (2313, 11021)]