25902225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 50100960

約数和(自身を除く): 24198735

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 73, 75, 83, 95, 171, 219, 225, 249, 285, 365, 415, 475, 657, 747, 855, 1095, 1245, 1387, 1425, 1577, 1825, 2075, 3285, 3735, 4161, 4275, 4731, 5475, 6059, 6225, 6935, 7885, 12483, 14193, 16425, 18177, 18675, 20805, 23655, 30295, 34675, 39425, 54531, 62415, 70965, 90885, 104025, 115121, 118275, 151475, 272655, 312075, 345363, 354825, 454425, 575605, 1036089, 1363275, 1726815, 2878025, 5180445, 8634075, 25902225]

約数ペア:

[(1, 25902225), (3, 8634075), (5, 5180445), (9, 2878025), (15, 1726815), (19, 1363275), (25, 1036089), (45, 575605), (57, 454425), (73, 354825), (75, 345363), (83, 312075), (95, 272655), (171, 151475), (219, 118275), (225, 115121), (249, 104025), (285, 90885), (365, 70965), (415, 62415), (475, 54531), (657, 39425), (747, 34675), (855, 30295), (1095, 23655), (1245, 20805), (1387, 18675), (1425, 18177), (1577, 16425), (1825, 14193), (2075, 12483), (3285, 7885), (3735, 6935), (4161, 6225), (4275, 6059), (4731, 5475)]