290420889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{20047}}^1$

素因数の和:20500

約数の個数: 16

約数和(自身を含む): 423413760

約数和(自身を除く): 132992871

約数列:

[1, 3, 11, 33, 439, 1317, 4829, 14487, 20047, 60141, 220517, 661551, 8800633, 26401899, 96806963, 290420889]

約数ペア:

[(1, 290420889), (3, 96806963), (11, 26401899), (33, 8800633), (439, 661551), (1317, 220517), (4829, 60141), (14487, 20047)]