278326917

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{65381}}^1$

素因数の和:65441

約数の個数: 24

約数和(自身を含む): 448782048

約数和(自身を除く): 170455131

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 65381, 196143, 588429, 719191, 2157573, 2811383, 6472719, 8434149, 25302447, 30925213, 92775639, 278326917]

約数ペア:

[(1, 278326917), (3, 92775639), (9, 30925213), (11, 25302447), (33, 8434149), (43, 6472719), (99, 2811383), (129, 2157573), (387, 719191), (473, 588429), (1419, 196143), (4257, 65381)]