13400871

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 21705600

約数和(自身を除く): 8304729

約数列:

[1, 3, 11, 19, 29, 33, 57, 67, 87, 121, 201, 209, 319, 363, 551, 627, 737, 957, 1273, 1653, 1943, 2211, 2299, 3509, 3819, 5829, 6061, 6897, 8107, 10527, 14003, 18183, 21373, 24321, 36917, 42009, 64119, 66671, 110751, 154033, 200013, 235103, 406087, 462099, 705309, 1218261, 4466957, 13400871]

約数ペア:

[(1, 13400871), (3, 4466957), (11, 1218261), (19, 705309), (29, 462099), (33, 406087), (57, 235103), (67, 200013), (87, 154033), (121, 110751), (201, 66671), (209, 64119), (319, 42009), (363, 36917), (551, 24321), (627, 21373), (737, 18183), (957, 14003), (1273, 10527), (1653, 8107), (1943, 6897), (2211, 6061), (2299, 5829), (3509, 3819)]