26091009

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 20035071

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 307, 399, 497, 639, 921, 1197, 1349, 1491, 2149, 2763, 4047, 4473, 5833, 6447, 9443, 12141, 17499, 19341, 21797, 28329, 40831, 52497, 65391, 84987, 122493, 152579, 196173, 367479, 414143, 457737, 1242429, 1373211, 2899001, 3727287, 8697003, 26091009]

約数ペア:

[(1, 26091009), (3, 8697003), (7, 3727287), (9, 2899001), (19, 1373211), (21, 1242429), (57, 457737), (63, 414143), (71, 367479), (133, 196173), (171, 152579), (213, 122493), (307, 84987), (399, 65391), (497, 52497), (639, 40831), (921, 28329), (1197, 21797), (1349, 19341), (1491, 17499), (2149, 12141), (2763, 9443), (4047, 6447), (4473, 5833)]