25611525

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 49550400

約数和(自身を除く): 23938875

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 1997, 2565, 4275, 5991, 9985, 12825, 17973, 29955, 37943, 49925, 53919, 89865, 113829, 149775, 189715, 269595, 341487, 449325, 569145, 948575, 1024461, 1347975, 1707435, 2845725, 5122305, 8537175, 25611525]

約数ペア:

[(1, 25611525), (3, 8537175), (5, 5122305), (9, 2845725), (15, 1707435), (19, 1347975), (25, 1024461), (27, 948575), (45, 569145), (57, 449325), (75, 341487), (95, 269595), (135, 189715), (171, 149775), (225, 113829), (285, 89865), (475, 53919), (513, 49925), (675, 37943), (855, 29955), (1425, 17973), (1997, 12825), (2565, 9985), (4275, 5991)]