220291263

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 354432000

約数和(自身を除く): 134140737

約数列:

[1, 3, 9, 19, 23, 57, 69, 79, 171, 207, 237, 437, 709, 711, 1311, 1501, 1817, 2127, 3933, 4503, 5451, 6381, 13471, 13509, 16307, 16353, 34523, 40413, 48921, 56011, 103569, 121239, 146763, 168033, 309833, 310707, 504099, 929499, 1064209, 1288253, 2788497, 3192627, 3864759, 9577881, 11594277, 24476807, 73430421, 220291263]

約数ペア:

[(1, 220291263), (3, 73430421), (9, 24476807), (19, 11594277), (23, 9577881), (57, 3864759), (69, 3192627), (79, 2788497), (171, 1288253), (207, 1064209), (237, 929499), (437, 504099), (709, 310707), (711, 309833), (1311, 168033), (1501, 146763), (1817, 121239), (2127, 103569), (3933, 56011), (4503, 48921), (5451, 40413), (6381, 34523), (13471, 16353), (13509, 16307)]