27760221

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 44328960

約数和(自身を除く): 16568739

約数列:

[1, 3, 9, 29, 31, 47, 73, 87, 93, 141, 219, 261, 279, 423, 657, 899, 1363, 1457, 2117, 2263, 2697, 3431, 4089, 4371, 6351, 6789, 8091, 10293, 12267, 13113, 19053, 20367, 30879, 42253, 65627, 99499, 106361, 126759, 196881, 298497, 319083, 380277, 590643, 895491, 957249, 3084469, 9253407, 27760221]

約数ペア:

[(1, 27760221), (3, 9253407), (9, 3084469), (29, 957249), (31, 895491), (47, 590643), (73, 380277), (87, 319083), (93, 298497), (141, 196881), (219, 126759), (261, 106361), (279, 99499), (423, 65627), (657, 42253), (899, 30879), (1363, 20367), (1457, 19053), (2117, 13113), (2263, 12267), (2697, 10293), (3431, 8091), (4089, 6789), (4371, 6351)]