25661025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 51274496

約数和(自身を除く): 25613471

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 279, 283, 325, 403, 465, 585, 775, 849, 975, 1209, 1395, 1415, 2015, 2325, 2547, 2925, 3627, 3679, 4245, 6045, 6975, 7075, 8773, 10075, 11037, 12735, 18135, 18395, 21225, 26319, 30225, 33111, 43865, 55185, 63675, 78957, 90675, 91975, 114049, 131595, 165555, 219325, 275925, 342147, 394785, 570245, 657975, 827775, 1026441, 1710735, 1973925, 2851225, 5132205, 8553675, 25661025]

約数ペア:

[(1, 25661025), (3, 8553675), (5, 5132205), (9, 2851225), (13, 1973925), (15, 1710735), (25, 1026441), (31, 827775), (39, 657975), (45, 570245), (65, 394785), (75, 342147), (93, 275925), (117, 219325), (155, 165555), (195, 131595), (225, 114049), (279, 91975), (283, 90675), (325, 78957), (403, 63675), (465, 55185), (585, 43865), (775, 33111), (849, 30225), (975, 26319), (1209, 21225), (1395, 18395), (1415, 18135), (2015, 12735), (2325, 11037), (2547, 10075), (2925, 8773), (3627, 7075), (3679, 6975), (4245, 6045)]