25161111

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16349}}^1$

素因数の和:16380

約数の個数: 20

約数和(自身を含む): 39567000

約数和(自身を除く): 14405889

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16349, 49047, 147141, 310631, 441423, 931893, 1324269, 2795679, 8387037, 25161111]

約数ペア:

[(1, 25161111), (3, 8387037), (9, 2795679), (19, 1324269), (27, 931893), (57, 441423), (81, 310631), (171, 147141), (513, 49047), (1539, 16349)]