25471719

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 47305440

約数和(自身を除く): 21833721

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1481, 1911, 2457, 4443, 5733, 10367, 13329, 17199, 19253, 31101, 39987, 57759, 72569, 93303, 134771, 173277, 217707, 279909, 404313, 519831, 653121, 943397, 1212939, 1959363, 2830191, 3638817, 8490573, 25471719]

約数ペア:

[(1, 25471719), (3, 8490573), (7, 3638817), (9, 2830191), (13, 1959363), (21, 1212939), (27, 943397), (39, 653121), (49, 519831), (63, 404313), (91, 279909), (117, 217707), (147, 173277), (189, 134771), (273, 93303), (351, 72569), (441, 57759), (637, 39987), (819, 31101), (1323, 19253), (1481, 17199), (1911, 13329), (2457, 10367), (4443, 5733)]