25991091

素因数分解:

$3^3\times 7^1\times {\mathrm{137519}}^1$

素因数の和:137535

約数の個数: 16

約数和(自身を含む): 44006400

約数和(自身を除く): 18015309

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 137519, 412557, 962633, 1237671, 2887899, 3713013, 8663697, 25991091]

約数ペア:

[(1, 25991091), (3, 8663697), (7, 3713013), (9, 2887899), (21, 1237671), (27, 962633), (63, 412557), (189, 137519)]