7976637

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 12893760

約数和(自身を除く): 4917123

約数列:

[1, 3, 9, 19, 27, 57, 71, 73, 81, 171, 213, 219, 513, 639, 657, 1349, 1387, 1539, 1917, 1971, 4047, 4161, 5183, 5751, 5913, 12141, 12483, 15549, 36423, 37449, 46647, 98477, 109269, 112347, 139941, 295431, 419823, 886293, 2658879, 7976637]

約数ペア:

[(1, 7976637), (3, 2658879), (9, 886293), (19, 419823), (27, 295431), (57, 139941), (71, 112347), (73, 109269), (81, 98477), (171, 46647), (213, 37449), (219, 36423), (513, 15549), (639, 12483), (657, 12141), (1349, 5913), (1387, 5751), (1539, 5183), (1917, 4161), (1971, 4047)]