427078561

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 572656000

約数和(自身を除く): 145577439

約数列:

[1, 7, 13, 19, 49, 71, 91, 133, 247, 343, 497, 637, 923, 931, 1349, 1729, 3479, 4459, 5041, 6461, 6517, 9443, 12103, 17537, 24353, 35287, 45227, 65533, 66101, 84721, 95779, 122759, 247009, 316589, 458731, 462707, 670453, 859313, 1245127, 1729063, 3211117, 4693171, 6015191, 8715889, 22477819, 32852197, 61011223, 427078561]

約数ペア:

[(1, 427078561), (7, 61011223), (13, 32852197), (19, 22477819), (49, 8715889), (71, 6015191), (91, 4693171), (133, 3211117), (247, 1729063), (343, 1245127), (497, 859313), (637, 670453), (923, 462707), (931, 458731), (1349, 316589), (1729, 247009), (3479, 122759), (4459, 95779), (5041, 84721), (6461, 66101), (6517, 65533), (9443, 45227), (12103, 35287), (17537, 24353)]