2647742721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{1451}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 3863946240

約数和(自身を除く): 1216203519

約数列:

[1, 3, 13, 39, 71, 213, 659, 923, 1451, 1977, 2769, 4353, 8567, 18863, 25701, 46789, 56589, 103021, 140367, 309063, 608257, 956209, 1339273, 1824771, 2868627, 4017819, 12430717, 37292151, 67890839, 203672517, 882580907, 2647742721]

約数ペア:

[(1, 2647742721), (3, 882580907), (13, 203672517), (39, 67890839), (71, 37292151), (213, 12430717), (659, 4017819), (923, 2868627), (1451, 1824771), (1977, 1339273), (2769, 956209), (4353, 608257), (8567, 309063), (18863, 140367), (25701, 103021), (46789, 56589)]