278340273

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1129}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 431750400

約数和(自身を除く): 153410127

約数列:

[1, 3, 9, 23, 27, 69, 207, 397, 621, 1129, 1191, 3387, 3573, 9131, 10161, 10719, 25967, 27393, 30483, 77901, 82179, 233703, 246537, 448213, 701109, 1344639, 4033917, 10308899, 12101751, 30926697, 92780091, 278340273]

約数ペア:

[(1, 278340273), (3, 92780091), (9, 30926697), (23, 12101751), (27, 10308899), (69, 4033917), (207, 1344639), (397, 701109), (621, 448213), (1129, 246537), (1191, 233703), (3387, 82179), (3573, 77901), (9131, 30483), (10161, 27393), (10719, 25967)]