27912159

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 54

約数和(自身を含む): 47429928

約数和(自身を除く): 19517769

約数列:

[1, 3, 9, 11, 19, 33, 57, 71, 99, 121, 171, 209, 213, 361, 363, 627, 639, 781, 1083, 1089, 1349, 1881, 2299, 2343, 3249, 3971, 4047, 6897, 7029, 8591, 11913, 12141, 14839, 20691, 25631, 25773, 35739, 43681, 44517, 76893, 77319, 131043, 133551, 163229, 230679, 281941, 393129, 489687, 845823, 1469061, 2537469, 3101351, 9304053, 27912159]

約数ペア:

[(1, 27912159), (3, 9304053), (9, 3101351), (11, 2537469), (19, 1469061), (33, 845823), (57, 489687), (71, 393129), (99, 281941), (121, 230679), (171, 163229), (209, 133551), (213, 131043), (361, 77319), (363, 76893), (627, 44517), (639, 43681), (781, 35739), (1083, 25773), (1089, 25631), (1349, 20691), (1881, 14839), (2299, 12141), (2343, 11913), (3249, 8591), (3971, 7029), (4047, 6897)]