27420575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 44372160

約数和(自身を除く): 16951585

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 709, 1105, 1547, 2275, 2975, 3545, 4963, 5525, 7735, 9217, 12053, 17725, 24815, 38675, 46085, 60265, 64519, 84371, 124075, 156689, 230425, 301325, 322595, 421855, 783445, 1096823, 1612975, 2109275, 3917225, 5484115, 27420575]

約数ペア:

[(1, 27420575), (5, 5484115), (7, 3917225), (13, 2109275), (17, 1612975), (25, 1096823), (35, 783445), (65, 421855), (85, 322595), (91, 301325), (119, 230425), (175, 156689), (221, 124075), (325, 84371), (425, 64519), (455, 60265), (595, 46085), (709, 38675), (1105, 24815), (1547, 17725), (2275, 12053), (2975, 9217), (3545, 7735), (4963, 5525)]